Bellagrohk, the Lotus Eater

Devour 1 (As this enters, you may sacrifice any number
of creatures. This creature enters with that many +1/+1 counters on it.)

Whenever you sacrifice another permanent for the first
time each turn, Bellagrohk explores. If a nonland card is revealed this way, create X 1/1 blue Frog creature tokens, where X is Bellagrohk's power. (Reveal the top card of
your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back on to