Ant

Level Up (You may pay {x} at any time to level up
this creature, where {x} is its level plus 1. Also it
starts on level 1.)
Level 1 - When Ant dies, give target creature +2
+1 until end of turn.
Level 2 - When Ant dies, give target creature +4
+2 until end of turn.
Level 3 - When Ant dies, give target creature +6
+3 until end of turn.