Cold-Iron Coating

Create a red 0/3 Grizzy token with haste and
"Sacrifice this token at the beginning of your
end step. Roll a D20:
1-3: Sacrifice Grizzy token immediately
4-18: Grizzy token gains +1/+1
19-20: Grizzy token gains +3/+3 and gains
fling (Sacrifice Grizzy token: Deal 4 damage
to target creature, player or planeswalker.)
"Me next! Me next!" - Grizzy, "strongest" goblin