Eel'Ru'Thuul, Tormented Scion

Haste, Trample
Whenever Eel'Ru'Thuul takes damage, it gains
+1/+0 until end of turn.
When Eel'Ru'Thuul dies, it deals damage equal
to its power to target creature, planeswalker
or player.
"Revel in our mutual suffering, join
the horde."