Natural Selection [Alpha Edition] 018 you may put a land

you may put a land card from your hand onto the battlefield

Sacrifice two Treasures: Return Gilded Assault Cart from your graveyard to your hand

"Urza's machines have a splendid habit of excavating themselves

{3}: Walking Wall gets +3/-1 until end of turn and can attack this turn as though it didn't have defender

Set: Innistrad: Crimson Vow Type: Creature — Elemental Rarity: Uncommon Cost: {X}{R}{R} Magma Pummeler enters the battlefield with X +1/+1 counters on it

Natural Selection [Alpha Edition] 018 you may put a landSet: Alpha Edition Type: Instant Rarity: Rare Cost: {G} Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.