Doohickey

{t}: Put a +1/+1 counter on target creature and
gain 1 life.
{2},{t}: If you control a creature with a +1/+1
counter, create a tapped 1/1 blue Doohickey Bird
creature token with Flying.
{3},{t}: If you control a creature named Doohickey
Bird, create 2 Food tokens.
{4},{t}, Sacrifice a creature named Doohickey
Bird: If you control 2 food tokens, you may
sacrifice an artifact to deal 5 damage to any
target and gain 5 life.