Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

, : You gain 2 life.
, , Exile this artifact: Put all commanders you own from the command zone and from your graveyard into your hand. Then shuffle your graveyard into your library.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Choose a creature type. Draw a card for each permanent you control of that type.

Whenever this creature becomes blocked by a creature, destroy that creature.

When this creature enters, it deals damage equal to its power to any target.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Exile all creatures. Empower Jace X, where X is the number of creatures exiled this way. (Put that many loyalty counters on a Jace token you control. If you don't control one, first create a blue Jace planeswalker token with "[−1]: Surveil 1" and "[−3]: Draw a card.")

This land enters tapped.
: Add or .
: Until end of turn, this land becomes a 3/3 green and blue Elemental creature with hexproof. It's still a land.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flying, trample
Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.

Flying
Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Whenever you cast a Spirit or Arcane spell, target opponent exiles a card from their hand.

This spell costs less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.

Dominate Monster — When this creature enters, gain control of target creature for as long as you control this creature.

Enchant creature
Enchanted creature gets +3/+1, has flying, and is a Demon in addition to its other types.
You may cast this card from your graveyard by paying 3 life and discarding a card in addition to paying its other costs.

Equipped creature has flying and lifelink.
Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards.
Equip

Cleave (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Search your library for a [basic land] card, [reveal it,] put it into your hand, then shuffle.

Menace
When this creature dies, each player may discard their hand and draw seven cards.
Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

When this creature enters, choose one —
• Create a 1/1 white Bird creature token with flying.
• Return another target nonland permanent to its owner's hand.
• Draw a card.

All Slivers have "When this permanent enters, destroy target artifact or enchantment."

: Add .
: Add or . Activate only if you control a Swamp.

At the beginning of each upkeep, you gain 3 life.