Firemind's Research
{U}{R}
Enchantment
Whenever you cast an instant or sorcery spell, put a charge counter on ~this~.
{1}{U}, Remove two charge counters from ~this~: Draw a card.
{1}{R}, Remove five charge counters from ~this~: It deals 5 damage to any target.
Spawning Pit
{2}
Artifact
Sacrifice a creature: Put a charge counter on ~this~.
{1}, Remove two charge counters from ~this~: Create a 2/2 colorless Spawn artifact creature token.