School of Piranha

At the beginning of your upkeep, sacrifice School of Piranha unless you pay .

Tidal Warrior

: Target land becomes an Island until end of turn.

Smite

Destroy target blocked creature.

Spitting Hydra

Spitting Hydra enters the battlefield with four +1/+1 counters on it.
, Remove a +1/+1 counter from Spitting Hydra: It deals 1 damage to target creature.

Scapegoat

As an additional cost to cast this spell, sacrifice a creature.
Return any number of target creatures you control to their owner’s hand.

Heartwood Treefolk

Forestwalk (This creature can’t be blocked as long as defending player controls a Forest.)

Legacy’s Allure

At the beginning of your upkeep, you may put a treasure counter on Legacy’s Allure.
Sacrifice Legacy’s Allure: Gain control of target creature with power less than or equal to the number of treasure counters on Legacy’s Allure. (This effect lasts indefinitely.)

Volrath’s Curse

Enchant creature
Enchanted creature can’t attack or block, and its activated abilities can’t be activated. That creature’s controller may sacrifice a permanent for that player to ignore this effect until end of turn.
: Return Volrath’s Curse to its owner’s hand.

Sarcomancy

When Sarcomancy enters the battlefield, create a 2/2 black Zombie creature token.
At the beginning of your upkeep, if there are no Zombies on the battlefield, Sarcomancy deals 1 damage to you.

Charging Rhino

Charging Rhino can’t be blocked by more than one creature.

Legerdemain

Exchange control of target artifact or creature and another target permanent that shares one of those types with it. (This effect lasts indefinitely.)

Rofellos

Whenever a creature you control dies, draw a card.