Sea Serpent (Retro) [30th Anniversary Edition] Ice Set: Sword & Shield: Battle

Set: Sword & Shield: Battle Styles Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

Nontoken creatures you control have riot

Set: Base Set 1st Edition Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

Set: Ixalan Prerelease Promos Type: Creature — Merfolk Warrior Rarity: Rare Cost: {3}{U} Creatures you control with +1/+1 counters on them can't be blocked

Sea Serpent (Retro) [30th Anniversary Edition] Ice Set: Sword & Shield: BattleSet: 30th Anniversary Edition Type: Creature Serpent Rarity: Common Cost: {5}{U} Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent. Legend has it that Serpents used to be bigger, but how could that be?