Cavernous Maw [The Lost Caverns of Ixalan] Alien Advisor Guest Poison this deadly is only

Poison this deadly is only used by the Ochran

Now it's just a tunnel

and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step

Set: The List Type: Creature — Dragon Rarity: Rare Cost: {3}{R}{R} Flying

Set: Zendikar Rising Type: Creature — Snake Rarity: Common Cost: {2}{B} Hagra Constrictor enters the battlefield with two +1/+1 counters on it

Cavernous Maw [The Lost Caverns of Ixalan] Alien Advisor Guest Poison this deadly is onlySet: The Lost Caverns of Ixalan Type: Land Cave Rarity: Uncommon {T}: Add {C}. {2}: Cavernous Maw becomes a 3 3 Elemental creature until end of turn. It's still a Cave land. Activate only if the number of other Caves you control plus the number of Cave cards in your graveyard is three or greater. Many footprints lead into the cave. None lead out.