Allosaurus Shepherd [Double Masters 2022] POP Series 2 They may cast that card

They may cast that card without paying its mana cost

if Mana Vault is tapped

Set: International Collectors' Edition Type: Enchantment Rarity: Rare Cost: {1}{U} Players skip their untap steps

Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg

Allosaurus Shepherd [Double Masters 2022] POP Series 2 They may cast that cardSet: Double Masters 2022 Type: Creature Elf Shaman Rarity: Mythic Cost: {G} Allosaurus Shepherd can't be countered. Green spells you control can't be countered. {4}{G}{G}: Until end of turn, each Elf creature you control has base power and toughness 5 5 and becomes a Dinosaur in addition to its other creature types.