Thick Bone

Flying, Level Up:
{2}{u}{u}: Gains three +1/+1 counters and Indestructible.
{4}{u}{u}{u}: Gains two +1/+1 counters and place five 1/1 Blue Bird creature tokens with Skulk onto the battlefield under your control.
{6}{u}{u}{u}{u}: Gains seven +1/+1 counters, place five 1/1 Blue Bird creature tokens with Skulk onto the battlefield under your control, and Trample
"I go hard like a Roc."