Sabertooth Gelatin

Whenever Sabertooth Gelatin deals combat damage to a player, exile the top card of that player's library. Then, put a +1/+1 counter
on Sabertooth Gelatin.
Exile the top card of your library: Put a
+1/+1 counter on Sabertooth Gelatin. Activate this ability only once each turn and only as a sorcery.