Timur of the Fire-Breath Forge

At the beginning of your upkeep or whenever a
red creature you control deals combat damage to
a player, put a heat counter on Timur of the Fire-Breath Forge.
{t}, Remove X heat counters from Timur of the
Fire-Breath Forge: Exile the top X cards of your library. Until end of turn, you may play those
cards. Artifact spells cost {3} less to cast this way.
"More heat, ya dang tortoise!"