Exile the top card of your library. Impulsive Action deals damage to any target equal to that card's mana value plus one. Until end of turn, you may play that card.
“The Omenspeakers are too conservative to understand our tactics.”
When Hate-Driven Arsonist enters, you may have it deal X damage to target creature or planeswalker, where X is the number of instant and sorcery cards in your graveyard.
“So what if our methods are reckless? Only by relentlessly assaulting the Omenspeakers shall we finally bring them down.” —Kragnoss, Rebellion Commander
First strike (This creature deals combat damage before creatures without first strike.) Whenever you cast an instant or sorcery spell, Flamemaster Insurgent gets +X/+0 until end of turn, where X is that spell's mana value.
Eradicating Flames deals X damage to each creature and each player. If X is 5 or more, Eradicating Flames can't be countered and the damage can't be prevented.
For each creature target player controls, that player flips a coin. If the coin comes up tails, that player shuffles that creature into its owner's library.
Kellythross embraced madness as a resource in his war against Sibreena.
Whenever another non-Zombie creature you control dies, create a tapped 2/2 black Zombie creature token. {B}, Sacrifice a creature: Target creature gains deathtouch until end of turn.
Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Enchanted creature gets +2/+1. Sacrifice a creature: Enchanted creature gets +2/+2 until end of turn.
Flying Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Lifelink (Damage dealt by this creature also causes you to gain that much life.)