Innistrad

As an additional cost to cast this spell, sacrifice a creature. Add {R}{R}{R}.

Gain control of target creature until end of turn. Untap it. It gains trample and haste until end of turn.

Enchant player Whenever a creature deals combat damage to enchanted player, put a +1/+1 counter on that creature.

Whenever a Vampire you control deals combat damage to a player, put a +1/+1 counter on it.

Whenever you cast a spell from your graveyard, Burning Vengeance deals 2 damage to any target.

Trample {1}{R}: Feral Ridgewolf gets +2/+0 until end of turn.

First strike At the beginning of each upkeep, if no spells were cast last turn, transform Village Ironsmith.

Vampire creatures you control get +2/+0 and gain first strike until end of turn.

Gain control of target creature until end of turn. Untap it. It gains trample and haste until end of turn.

Scourge of Geier Reach gets +1/+1 for each creature your opponents control.

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

Draw two cards, then discard a card at random. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant player Creatures enchanted player controls attack each combat if able.

Whenever Ashmouth Hound blocks or becomes blocked by a creature, Ashmouth Hound deals 1 damage to that creature.

At the beginning of your end step, if Homicidal Brute didn't attack this turn, tap Homicidal Brute, then transform it.

Flying {1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1/...

First strike At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ironfang.

First strike At the beginning of each upkeep, if no spells were cast last turn, transform Village Ironsmith.

Vampire creatures you control get +2/+0 and gain first strike until end of turn.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Rampaging Werewolf.

At the beginning of each upkeep, if no spells were cast last turn, transform Tormented Pariah.

Stromkirk Noble can't be blocked by Humans. Whenever Stromkirk Noble deals combat damage to a player, put a +1/+1 counter on it.

{R}, {T}, Sacrifice a creature: Skirsdag Cultist deals 2 damage to any target.