Smile

{t}: Put a Merge counter in equipped creature. Activate this only if one or more creatures died this turn.

Equipped creature gets +1/+1 for every Merge counter on Smile.

Remove 5 Merge counters from Smile, sacrifice Smile and equipped creature: all creatures you control get two +1/+1 counters and trample until the end of the turn. Your opponents creatures get two -1/-1 counters.

Equip: {2}