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

Whenever another creature dies, put a +1/+1 counter on Havengul Vampire.

Whenever you sacrifice a permanent, Havoc Jester deals 1 damage to any target.

Buyback 2 (You may pay an additional 2 as you cast this spell. If you do, put this card into your hand as it resolves.)

Creatures you control get +1/+0 until end of turn.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Valiant - Whenever Heartfire Hero becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it.

When Heartfire Hero dies, it deals damage equal to its power to each opponent.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

R, Sacrifice Heartfire Immolator: It deals damage equal to its power to target creature or planeswalker.

This spell costs less to cast, where X is the number of cards in your graveyard that are instant cards, sorcery cards, and/or have an Adventure.

Discard your hand, then draw two cards. (Then exile this card. You may cast the creature later from exile.)

Heat Ray deals X damage to target creature.

2R: Target creature attacks this turn if able.

At the beginning of each opponents upkeep, if that player has two or fewer cards in hand, Hellfire Mongrel deals 2 damage to him or her.

Flying

R: Hellkite Punisher gets +1/+0 until end of turn.

Flying

Whenever Hellkite Whelp attacks, it deals 1 damage to target creature defending player controls.