Banner of Kinship (Borderless) (Mana Foil) [Foundations] Enchantment — Room Leviathan can't attack unless you

Leviathan can't attack unless you sacrifice two Islands

Set: Commander 2017 Type: Creature — Vampire Shaman Rarity: Uncommon Cost: {1}{B}{B} Whenever Pawn of Ulamog or another nontoken creature you control dies

but it never stands alone

create a 1/1 white Kithkin Soldier creature token for each counter on it

then repeats this process for an artifact

Banner of Kinship (Borderless) (Mana Foil) [Foundations] Enchantment — Room Leviathan can't attack unless youSet: Foundations Type: Artifact Rarity: Rare Cost: {5} As this artifact enters, choose a creature type. This artifact enters with a fellowship counter on it for each creature you control of the chosen type. Creatures you control of the chosen type get +1 +1 for each fellowship counter on this artifact.