Tainted Pact [Odyssey] Beast Mutant and land cards revealed this

and land cards revealed this way onto the battlefield

−6: Gain control of all creatures until end of turn

sacrifice Kukemssa Serpent

Set: Darksteel Type: Artifact — Equipment Rarity: Rare Cost: {4} Equipped creature gets +2/+1 and has "{T}

but he gleaned the rudiments of lithomancy from Nahiri

Tainted Pact [Odyssey] Beast Mutant and land cards revealed thisSet: Odyssey Type: Instant Rarity: Rare Cost: {1}{B} Exile the top card of your library. You may put that card into your hand unless it has the same name as another card exiled this way. Repeat this process until you put a card into your hand or you exile two cards with the same name, whichever comes first.