Cosmium Confluence [The Lost Caverns of Ixalan Prerelease Cards] Snake Leviathan they all end up in

they all end up in the undercity

Set: Mythic Edition Type: Legendary Planeswalker — Karn Rarity: Mythic Cost: {4} +1: Reveal the top two cards of your library

It doesn't untap during its controller's next untap step

{T}: Create a 1/1 green Elf Warrior creature token

Set: Fifth Dawn Type: Artifact Creature — Masticore Rarity: Rare Cost: {5} First strike (This creature deals combat damage before creatures without first strike

Cosmium Confluence [The Lost Caverns of Ixalan Prerelease Cards] Snake Leviathan they all end up inSet: The Lost Caverns of Ixalan Prerelease Cards Type: Sorcery Rarity: Rare Cost: {4}{G} Choose three. You may choose the same mode more than once. Search your library for a Cave card, put it onto the battlefield tapped, then shuffle. Put three +1 +1 counters on a Cave you control. It becomes a 0 0 Elemental creature with haste. It's still a land. Destroy target enchantment.