Sunken Citadel [The Lost Caverns of Ixalan Prerelease Cards] Hydra Dog Set: Limited Edition Alpha Type:

Set: Limited Edition Alpha Type: Creature — Wall Rarity: Common Cost: {G} Defender (This creature can't attack

and I see in them traces of last year

Set: Ixalan Type: Creature — Siren Pirate Rarity: Rare Cost: {2}{U}{U} Flash

and library for all cards with the same name as that card and exile them

Sunken Citadel [The Lost Caverns of Ixalan Prerelease Cards] Hydra Dog Set: Limited Edition Alpha Type:Set: The Lost Caverns of Ixalan Prerelease Cards Type: Land Cave Rarity: Rare Sunken Citadel enters the battlefield tapped. As it enters, choose a color. T: Add one mana of the chosen color. T: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.