Seaside Citadel [Modern Masters 2017] Ixalan You can only Special Summon

You can only Special Summon once

Set: Shards of Alara Type: Creature — Drake Rarity: Uncommon Cost: {3}{B} Flying

−3: Chandra

Set: Metal Raiders Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Select 1 of your opponent''s monsters and change it to Defense Position

and its effects are negated

Seaside Citadel [Modern Masters 2017] Ixalan You can only Special SummonSet: Modern Masters 2017 Type: Land Rarity: Uncommon Seaside Citadel enters the battlefield tapped. {T}: Add {G}, {W}, or {U}. For wisdom's sake, it was built high to gaze on all things. For glory's sake, it was built high as a testament of power. For strength's sake, it was built high to repel all attacks.