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 .
, , Sacrifice this land: You become the monarch.

This land enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

(: Add .)

This land enters tapped.
: Add or .

This land enters tapped.
: Add or .

: Add .
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

: Add .
: Choose target commander that entered this turn. Put a +1/+1 counter on it if it's a creature and a loyalty counter on it if it's a planeswalker.

(: Add .)

(: Add .)

: Add .
, : Scry 1, then you may reveal the top card of your library. If a basic land card is revealed this way, put it onto the battlefield tapped. Activate only if an opponent controls at least two more lands than you.

(: Add .)

Enchant player
Whenever enchanted player casts a spell, put a spite counter on this Aura.
When enchanted player loses the game, you gain X life and draw X cards, where X is the number of spite counters on this Aura.

Subterranean Tremors deals X damage to each creature without flying. If X is 4 or more, destroy all artifacts. If X is 8 or more, create an 8/8 red Lizard creature token.

Enchant creature
Enchanted creature can't attack unless its controller pays .

: Tap target creature without flying.

Put any number of target artifact cards from target player's graveyard on top of their library in any order.

Enchant player
Whenever enchanted player is attacked, create a Gold token. Each opponent attacking that player does the same. (A Gold token is an artifact with "Sacrifice this token: Add one mana of any color.")

Players play with the top card of their libraries revealed.

Equipped creature gets +2/+0.
Whenever equipped creature deals combat damage to a player, create a token that's a copy of this Equipment.
Equip

Put target card from your graveyard on top of your library.

Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.

As an additional cost to cast this spell, sacrifice a creature.
Add X mana in any combination of and/or , where X is the sacrificed creature's mana value.

Target creature gets +2/+2 until end of turn.

As an additional cost to cast this spell, sacrifice a creature.
Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.

Tap target untapped creature you control. If you do, add an amount of equal to that creature's mana value.

: Untap this artifact.
, : Create a 1/1 colorless Servo artifact creature token.
, , Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying.
, Sacrifice a Thopter: Create a 4/4 colorless Construct artifact creature token.

Counter target blue instant spell.

, : You gain 4 life. Activate only if you control a Yanggu planeswalker.

Return target creature to its owner's hand.

Reach (This creature can block creatures with flying.)

Haste
Lieutenant — At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.

Untap all creatures. Until end of turn, whenever a creature an opponent controls blocks, draw a card.
Draw a card.

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.)
At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch.
Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

Haste
, : Copy target activated or triggered ability you control from an artifact source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

Add .
Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)