Unstable Mutation [Summer Magic / Edgar] Ixalan Prerelease Promos and Serpents you control can't

and Serpents you control can't be blocked except by Krakens

Set: Oversize Cards Rarity: Rare 0: Sacrifice a land to gain two life

{T}: Choose a card at random that was exiled with Skyship Weatherlight

Prevent all damage that would be dealt to Gideon Blackblade during your turn

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

Unstable Mutation [Summer Magic / Edgar] Ixalan Prerelease Promos and Serpents you control can'tSet: Summer Magic Edgar Type: Enchantment Aura Rarity: Common Cost: {U} Enchant creature Enchanted creature gets +3 +3. At the beginning of the upkeep of enchanted creature's controller, put a 1 1 counter on that creature.