Raid — At the beginning of your end step, if you attacked this turn, create a 1/1 red Goblin creature token.

Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent.
Partner (You can have two commanders if both have partner.)

, : Add .

Creature tokens you control get +1/+1 and have vigilance.

Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.

Destroy target creature. It can't be regenerated.

Enchant creature card in a graveyard
When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Return enchanted creature card to the battlefield under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it.
Enchanted creature gets -1/-0.

Sacrifice this enchantment: Destroy target artifact or enchantment.

, : Flip a coin. If you win the flip, destroy target artifact and untap this creature. If you lose the flip, sacrifice this creature.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
, Sacrifice this creature: Destroy target artifact or enchantment.

, Discard a card: You gain 3 life.

As an additional cost to cast this spell, sacrifice an artifact or creature.
You gain life equal to the sacrificed permanent's mana value. Draw two cards.

Changeling (This card is every creature type.)
: Regenerate this creature.

, , Discard a card: Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters or dies, create a 1/1 red Goblin creature token.

Noncreature spells with mana value 4 or greater can't be cast.
Noncreature spells with in their mana costs can't be cast.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever this creature deals damage to an opponent, draw a card, then discard a card.

Lifelink
Whenever an artifact you control enters, scry 1.

When this artifact enters, put a -1/-1 counter on target creature.
, : Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

, Pay 3 life: Flip a coin. If you win the flip, you gain 6 life.

Target player sacrifices an attacking or blocking creature of their choice.

Flying
: You gain 2 life and draw a card.

, Sacrifice this artifact: Target player discards a card. Activate only as a sorcery.
When this artifact is put into a graveyard from the battlefield, draw a card.

: You gain 1 life for each Elf on the battlefield.

, , Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Counter target spell that targets a creature.
Draw a card.

Instant and sorcery spells you cast cost less to cast.
Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

All Sliver creatures get +1/+1.

Target creature gets +2/+7 until end of turn. Untap it.

You have no maximum hand size.
: Add .

Sacrifice this enchantment: Return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

, Sacrifice this creature: Add . If any of that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and as soon as it comes under your control.)

: This creature deals 1 damage to any target.

Target player draws two cards and loses 2 life.