Spell thief

Stealth (when a minion with stealth has a +1/+1 counter on it, it can't attack, it can't block, and it has shroud)
Spell thief enter the battlefield with a +1/+1 counter on it.
{1}{u}{u}, remove a +1/+1 counter from Spell thief: Counter target instant or sorcery spell.
Remove a +1/+1 counter from Spell thief: Until end of turn, whenever Spell Thief deals combat damage to a player, draw a card.