Howling Moon [Innistrad: Double Feature] SPA Velada de los necrófagos effects from spells named Muscle

effects from spells named Muscle Burst count it as a card named Muscle Burst

Inventors Type: Artifact Creature — Construct Rare Cost: {6} Scuttling Doom Engine can't be blocked by creatures with power 2 or less

Kor Wizard Rare Cost: {1}{W} Kor Spiritdancer gets +2/+2 for each Aura attached to it

the machines soon became the Academy's preferred trainers

Howling Moon [Innistrad: Double Feature] SPA Velada de los necrófagos effects from spells named MuscleSet: Innistrad: Double Feature Type: Enchantment Rarity: Rare Cost: {2}{G} At the beginning of combat on your turn, target Wolf or Werewolf you control gets +2 +2 until end of turn. Whenever an opponent casts their second spell each turn, create a 2 2 green Wolf creature token.