Sea Serpent [Limited Edition Alpha] Pauper you may petition to have

you may petition to have them returned

If Cosmic Horror is destroyed this way

Set: Kaladesh Inventions Type: Artifact Creature — Construct Mythic Cost: {3}{G}{G} Trample When Verdurous Gearhulk enters the battlefield

Set: Urza's Destiny Type: Sorcery Rare Cost: {2}{U} Target player gains control of target permanent you control

Sea Serpent [Limited Edition Alpha] Pauper you may petition to haveSet: Limited Edition Alpha Type: Creature Serpent 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?