Island Fish Jasconius [Arabian Nights] Eventide Set: From the Vault: Dragons

Set: From the Vault: Dragons Type: Artifact Creature — Dragon Rarity: Rare Cost: {16} Domain — This spell costs {2} less to cast for each basic land type among lands you control

Then that player shuffles

In addition to Mordenkainen’s musings on the endless wars of the multiverse

who causes unrest on the peaceful seas

you may return Vengevine from your graveyard to the battlefield

Island Fish Jasconius [Arabian Nights] Eventide Set: From the Vault: DragonsSet: Arabian Nights Type: Creature Fish Rarity: Rare Cost: {4}{U}{U}{U} Island Fish Jasconius doesn't untap during your untap step. At the beginning of your upkeep, you may pay {U}{U}{U}. If you do, untap Island Fish Jasconius. Island Fish Jasconius can't attack unless defending player controls an Island. When you control no Islands, sacrifice Island Fish Jasconius.