Myr Retriever [Mystery Booster] Nightmare Beast You cannot Summon other monsters

You cannot Summon other monsters the turn you activate this card (but you can Set)

Set: Commander 2015 Type: Creature — Giant Warrior Rarity: Uncommon Cost: {3}{R}{R} Haste

if this card has "Super Quantum Blue Layer" as Xyz Material

Set: Sun & Moon: Base Set Type: Grass Rarity: Promo Retreat cost: Colorless

Set: Ravnica Allegiance Guild Kit Type: Creature — Elf Druid Rarity: Rare Cost: {1}{G} Evolve (Whenever a creature enters the battlefield under your control

Myr Retriever [Mystery Booster] Nightmare Beast You cannot Summon other monstersSet: Mystery Booster Type: Artifact Creature Myr Rarity: Uncommon Cost: {2} When Myr Retriever dies, return another target artifact card from your graveyard to your hand. Mephidross gives up treasure easily . . . as long as you take its place.