Cavernous Maw [The Lost Caverns of Ixalan] Alien Advisor Guest −7: You get an emblem

−7: You get an emblem with "Creatures you control have double strike

When Deathcap Marionette enters the battlefield

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

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

design an illusionary version of the dinosaur

Cavernous Maw [The Lost Caverns of Ixalan] Alien Advisor Guest −7: You get an emblemSet: 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.