If a Zombie you control would deal combat damage to a player, instead that player mills that many cards.
Whenever a creature card is put into an opponent's graveyard from their library, exile that card and create a 2/2 black Zombie creature token.

Toxic 1
When this creature enters, up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 for as long as this creature remains on the battlefield.

Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card."
Other artifact creatures you control get +1/+1.
: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ( can be paid with either or 2 life.)

Look at the top four cards of your library. You may reveal up to two instant and/or sorcery cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.

Whenever you cast a noncreature spell, you may draw X cards, where X is the amount of mana spent to cast that spell. If you do, discard two cards.

Target creature gets +3/+3 and gains flying until end of turn.
Whenever a Zombie you control enters, you may pay . If you do, return this card from your graveyard to your hand.

Enchant nonbasic land
When enchanted land becomes tapped, destroy it.

Flash
Enchant creature
Enchanted creature gets +2/+2 and attacks each combat if able.

Creatures your opponents control get -2/-0 until end of turn.
Draw a card.

Converge — Return up to X permanent cards from your graveyard to your hand, where X is the number of colors of mana spent to cast this spell.
Exile Uncle's Musings.

Prevent all damage that would be dealt to this creature by creatures.

Firebending 1
Lesson spells you cast cost less to cast.

As this land enters, choose a creature type.
: Add .
: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

Nontoken creatures you control have riot.
If a creature you control with a +1/+1 counter on it would deal damage to a permanent or player, it deals double that damage instead.

Target creature gets +4/+4 until end of turn. If it's a Spirit, it gains trample until end of turn.

Target creature's owner puts it on their choice of the top or bottom of their library.
Surveil 1.

This land enters tapped. As it enters, choose a color.
: Add one mana of the chosen color.

Protection from white
This creature gets +2/+0 as long as it's attacking.

Target creature gets +3/+0 and gains haste until end of turn.

Unite the X-Men and other Mutants to survive—and thrive!

Target creature gets +1/+1 and gains double strike until end of turn.

Choose one —
• Return target creature card from your graveyard to your hand.
• Return two target creature cards that share a creature type from your graveyard to your hand.

, Sacrifice another creature: Put a +1/+1 counter on this creature.

Return target creature card from your graveyard to the battlefield.
Flashback

Target player discards two cards.
Cycling

Enchant land
Enchanted land has ": Add one mana of any color."
Sacrifice this Aura: Draw a card.

This creature enters with a +1/+1 counter on it for each other Zombie you control and each Zombie card in your graveyard.
If this creature would be dealt damage, prevent that damage and remove a +1/+1 counter from it.

Escape — , Exile two other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
When you cast this spell from your graveyard, all cards you own named Unbreakable Remnant perpetually get +1/+1.