Tap target creature. Prevent all combat damage that would be dealt by that creature this turn. It doesn't untap during its controller's next two untap steps.
When Time Elemental attacks or blocks, at end of combat, sacrifice it and it deals 5 damage to you. {2}{U}{U}, {T}: Return target permanent that isn't enchanted to its owner's hand.
You may have Vesuvan Doppelganger enter as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."
First strike Vodalian Knights can't attack unless defending player controls an Island. When you control no Islands, sacrifice Vodalian Knights. {U}: Vodalian Knights gains flying until end of turn.
Fear the knight leaping from the water into the air, weapon ready.
Enchant creature card in a graveyard When Animate Dead enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it. Enchanted creature gets -1/-0.
Initially bred for sacrifice, the thrulls eventually turned on their masters, the Order of the Ebon Hand, with gruesome results. —Sarpadian Empires, vol. II
At the beginning of your upkeep, sacrifice Breeding Pit unless you pay {B}{B}. At the beginning of your end step, create a 0/1 black Thrull creature token.
The thrulls bred at a terrifying pace. In the end, they overwhelmed the Order of the Ebon Hand.
If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead. If the player discards a card this way, they draw a card. If the player doesn't discard a card this way, they mill a card.
You may pay 1 life and exile a black card from your hand rather than pay this spell's mana cost. Distribute two -2/-1 counters among one or two target creatures.
"Strength it has, but at the cost of a continuous supply of energy. Such failure can bear only one result." —Execution order of Endrek Sahr, master breeder
At the beginning of your end step, if Erg Raiders didn't attack this turn, Erg Raiders deals 2 damage to you unless it came under your control this turn.
When Hecatomb enters, sacrifice Hecatomb unless you sacrifice four creatures. Tap an untapped Swamp you control: Hecatomb deals 1 damage to any target.
{0}: Hyalopterous Lemure gets -1/-0 and gains flying until end of turn.
"The lemures looked harmless, until they descended on my troops. Within moments, only bones remained." —Lucilde Fiksdotter, Leader of the Order of the White Shield