Yoshinon, the Fallen Monarch

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X
is 5 or more, draw a card when it enters.)

When you cast Yoshinon, the Fallen Monarch destroy all creatures with converted mana cost
X or less. For each creature destroyed this way
put a +1/+1 counter on Yoshinon, The Fallen Monarch.