This land enters tapped.
: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

: Add one mana of any color that a land an opponent controls could produce.

, : Put a charge counter on this artifact. Note the type of mana spent to pay this activation cost. Activate only if there are no charge counters on this artifact.
, Remove a charge counter from this artifact: Add one mana of this artifact's last noted type.

When you attack with three or more creatures, conjure a card named Mox Ruby into your hand. This ability triggers only once.
: Creatures you control get +1/+0 until end of turn.

: Add one mana of any color that a land an opponent controls could produce.

The first spell you cast during each of your turns has assist. When you cast that spell, if another player spent mana to cast it, you and that player each draw a card. (As you cast a spell with assist, you may choose another player. They may pay some or all of the generic mana in the spell's cost.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and no matter when it came under your control.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Grakk can't attack or block.
Whenever you cast an Aura spell that targets a creature an opponent controls, draw a card. This ability triggers only once each turn.

You have no maximum hand size.
: Add .

: Add .
, , Sacrifice this artifact: Draw a card.

Whenever Emerald Collector deals combat damage to a player, draw a card.
When you draw your third card in a turn, conjure a card named Mox Emerald into your hand. This ability triggers only once.
: Emerald Collector has base power and toughness 4/4 until end of turn.

Whenever a face-down creature attacks one of your opponents, it can't be blocked this combat.
: Manifest the top card of your library. Any player may activate this ability but only as a sorcery. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

When this Case enters, conjure four cards named Fblthp, the Lost into your library, then shuffle. Draw a card.
To solve — You control a legendary Homunculus.
Solved — You may look at the top card of your library any time and you may play lands and cast spells from the top of your library.

At the beginning of your second main phase, if four or more cards are in your graveyard, conjure a card named Mox Jet into your hand. This ability triggers only once.
: Put target creature card with mana value X from your graveyard onto the battlefield with a finality counter on it. Activate only as a sorcery.

Double strike
Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
Whenever Tsagan attacks, creatures you control get +1/+0 until end of turn for each creature you control with first strike or double strike.
Max speed — Tsagan has deathtouch. Other creatures you control have first strike.

At the beginning of your upkeep, put a tide counter on Rikala. Then if there are four or more tide counters on Rikala, remove them.
Creatures you control get +1/+0 for each tide counter on Rikala.
Whenever you tap an Island for mana, if there are three or more tide counters on Rikala, add an additional .

Exile two target artifacts.

Deathtouch, Lifelink
At the beginning of your second main phase, if you gained 4 or more life this turn, conjure a card named Mox Pearl into your hand. This ability triggers only once.
: Another target creature perpetually gains lifelink.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Discover X, where X is the amount of mana spent to cast this spell. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
Ashaya's Enduring Bond can be your commander.

If a triggered ability of a permanent you control but don't own triggers, that ability triggers an additional time.

Whenever a creature you control becomes blocked, you may untap it and remove it from combat.
, Sacrifice Nivea: Create an Akroma, Angel of Wrath token. (She's a legendary 6/6 Angel creature with flying, first strike, vigilance, trample, haste, and protection from black and from red.)

Lands you control have ": Add one mana of any color."
: Add one mana of any color.

Rulebreaker — A deck with this commander can have Aura cards of any color identity and any basic land cards.
+1: Add one mana of any color. When you spend this mana to cast an Aura spell this turn, create a 1/1 red Gremlin creature token.
−3: Discard your hand, then draw cards equal to twice the number of Auras you control. For each Aura attached to you, attach it to an opponent of your choice.
The Unluckiest Planeswalker can be your commander.

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever a creature you control with shadow deals combat damage to a player, draw a card.
: Put a shadow counter on another target creature. Activate only as a sorcery.

Whenever Massimo or another creature you control enters, exile up to one target instant or sorcery card with mana value 1 from your graveyard. If a card is exiled this way, that creature gains "Whenever this creature deals combat damage to a player, copy the exiled card. You may cast the copy without paying its mana cost."

Flying
If you would create one or more tokens, you may create that many Clue tokens instead. (They're artifacts with ", Sacrifice this token: Draw a card.")

Eminence — At the beginning of your upkeep, Sahir deals 1 damage to you. This ability triggers only if Sahir is in the command zone or on the battlefield.
Whenever a source you control deals exactly 1 damage to you and whenever a spell or ability you control causes you to lose exactly 1 life, put a +1/+1 counter on Sahir. If this is the second time this ability has resolved this turn, draw a card.

Prowess
When you cast your second noncreature spell in a turn, conjure a card named Mox Sapphire into your hand. This ability triggers only once.
: Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Whenever another creature dies, create a Food token. This ability triggers only once each turn. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")
For every seven Foods you control, Squirrels you control get +3/+3.

Rulebreaker — A deck with this commander has no maximum deck size.
, : You draw a card and gain 1 life. This ability costs less to activate if you had 200 or more cards in your starting deck.

Whenever another nontoken Ooze creature you control dies, create two tokens that are copies of that creature, except they're 2/2 and they aren't legendary.

Whenever another Zombie you control enters, put a +1/+1 counter on target Cat you control.
Whenever another Cat you control enters, put a +1/+1 counter on target Zombie you control.
At the beginning of your end step, each opponent loses life equal to the number of tapped Cats and/or Zombies you control.

Landfall — Whenever a land you control enters, any number of target players each mill X cards, where X is twice the number of Crabs, Lobsters, Nautiluses, Starfish, and/or Trilobites you control.

Flying
When Oracle of the Alpha enters the battlefield, conjure the Power Nine into your library, then shuffle.
Whenever Oracle of the Alpha attacks, scry 1.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Players can't gain life.
Celebration — At the beginning of your end step, create a Food token. If two or more nonland permanents entered under your control this turn, instead conjure a card named Food Fight onto the battlefield.