At the beginning of your upkeep, put a -1/-1 counter on each creature.

At the beginning of each opponent's upkeep, they lose 1 life and you put a -1/-1 counter on up to one target creature they control.

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.)

Wither (This deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Trample

At the beginning of your upkeep, discard a card if you don't control an Ogre.

Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

Flying, trample

At the beginning of your upkeep, this creature deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on this creature.

Whenever a nontoken creature an opponent controls dies, put a +1/+1 counter on each creature you control.

At the beginning of your upkeep, each player sacrifices a non-Vampire creature of their choice.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, sacrifice a creature if you don't control an Ogre.

At the beginning of your upkeep, this creature deals 1 damage to you.

Flying (This creature can't be blocked except by creatures with flying or reach.)

At the beginning of your end step, if an opponent lost life this turn, put a +1/+1 counter on this creature and draw a card. (Damage causes loss of life.)

Flying

At the beginning of your upkeep, you may sacrifice a nonartifact creature. If you do, put a +1/+1 counter on this creature. If you don't, tap this creature.

Flying

This creature gets -1/-1 for each card in your opponents' hands.

At the beginning of your upkeep, each player discards a card.

Flying

Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control.

Cycling (, Discard this card: Draw a card.)

At the beginning of your upkeep, this creature deals 1 damage to each opponent and planeswalker it has dealt damage to this game.

First strike

At the beginning of your upkeep, if your opponents control no creatures, this creature deals 4 damage to you.

Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

At the beginning of your upkeep, if you control ten or more Treasures, you win the game.

Flying, trample

At the beginning of your upkeep, sacrifice a creature other than this creature, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap this creature and you lose 7 life.

At the beginning of your upkeep, if you control another nonland permanent, sacrifice this creature.