Dragon Broodmother [Alara Reborn] Leviathan Horror Tails You Lose Type: Legendary

Tails You Lose Type: Legendary Land Rarity: Rare {T}: Add {C}

put a number of charge counters on Vexing Puzzlebox equal to the result

Set: The List Type: Legendary Artifact Rarity: Rare Cost: {7} Creatures you control have flying

since he has neither

Dragon Broodmother [Alara Reborn] Leviathan Horror Tails You Lose Type: LegendarySet: Alara Reborn Type: Creature Dragon Rarity: Mythic Cost: {2}{R}{R}{R}{G} Flying At the beginning of each upkeep, create a 1 1 red and green Dragon creature token with flying and devour 2. (As the token enters the battlefield, you may sacrifice any number of creatures. It enters the battlefield with twice that many +1 +1 counters on it.)