+1: Until your next turn, creatures you control get +1/+0 and gain lifelink.
−2: Create a 2/2 black Vampire creature token with flying.
−6: You get an emblem with "At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice."

Whenever a nontoken creature is put into your graveyard from the battlefield, create a 1/1 white Spirit creature token with flying.

When Omnath enters, draw a card.
Landfall — Whenever a land you control enters, you gain 4 life if this is the first time this ability has resolved this turn. If it's the second time, add . If it's the third time, Omnath deals 4 damage to each opponent and each planeswalker you don't control.

Cumulative upkeep—Flip a coin. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever you win a coin flip, this creature deals 1 damage to any target.
Whenever you lose a coin flip, this creature deals 1 damage to any target of an opponent's choice.

First strike
When this creature enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Exile target tapped creature.

Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Each creature you control with a +1/+1 counter on it has lifelink.

Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

If an opponent cast a blue spell this turn, you may pay rather than pay this spell's mana cost.
Change the target of target spell with a single target.

Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Defender
When this creature has flying, sacrifice it.
When this creature leaves the battlefield, it deals damage to each nonblue creature without flying equal to half the number of Islands you control, rounded down.

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature you don't control.

Enchant creature
Enchanted creature gets +2/+2 and has flying and vigilance. (Attacking doesn't cause it to tap.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
: This creature gets +1/+0 until end of turn.

: You may return another creature you control to its owner's hand. If you do, this creature gains indestructible until end of turn.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.
: This enchantment deals 1 damage to each creature and each player.

When this creature enters, you become the monarch.
This creature can't be blocked by creatures the monarch controls.

This creature enters with five +1/+1 counters on it.
Whenever an artifact enters, remove a +1/+1 counter from this creature.

Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Landfall — Whenever a land you control enters, choose one —
• Create a 1/1 white Kor Ally creature token.
• Creatures you control get +1/+1 until end of turn.

Destroy target land. Up to two target creatures can't block this turn.

Sweep — Return any number of Swamps you control to their owner's hand. Target player discards a card for each Swamp returned this way.

Haste (This creature can attack and as soon as it comes under your control.)
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

, , Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

This creature can't be blocked by more than one creature.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

Domain — Creatures can't attack you unless their controller pays for each creature they control that's attacking you, where X is the number of basic land types among lands you control.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
When this creature enters, create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")

Creatures you control get +2/+1 until end of turn.

: This creature gains flying until end of turn.

Create a 3/3 green Elephant creature token.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Whenever you gain life, you may pay , where X is less than or equal to the amount of life you gained. If you do, draw X cards.

Flying
When this creature enters, you may return target artifact card from your graveyard to your hand.

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 2-4
3/6
Other creatures you control get +1/+1.
LEVEL 5+
4/8
Other creatures you control get +2/+2.

: Target unblocked attacking creature becomes blocked. Activate only during combat after blockers are declared. (This ability works on creatures that can't be blocked.)

Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.