Until end of turn, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Exile Sins of the Past.
Return target creature card from your graveyard to the battlefield. If {G} was spent to cast this spell, that creature enters with an additional +1/+1 counter on it.
After fear and weakness rot away, that which remains is stronger than its living form.
{R}, Sacrifice this creature: Destroy target land.
"Riftcutters are suicidal anarchists, waving those lightning axes around so much that the walls are as likely to fall as their foes." —Heruj, Selesnya initiate
Enchant creature you control When enchanted creature deals combat damage to a player, sacrifice it and attach this Aura to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.
Damage that would be dealt by this creature can't be prevented.
"Though used as a piercing weapon, the tusk is more akin to a stinger, spreading pain instantly throughout the body of its victim. This specimen deserves further study." —Simic research notes
Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. If {W} was spent to cast this spell, the creature gains "Whenever this creature deals combat damage, you gain that much life" until end of turn.