Nunu and Willump

Menace
Whenever Nunu attack, you may sacrifice another creature.When you do put +1/+1 counters on Nunu
equal to the power
of the sacrificed creature.Then choose one -
• Create X 1/1 white flying Snowball Barrage tokens tapped and attacking.
• Create a X/1 white trample Biggest Snowball Ever
token tapped and attacking.
End of combat remove X +1/+1 counters
from Nunu and exile created tokens.