Perilous Myr [Mystery Booster] Merfolk you may tap or untap

you may tap or untap target nonland permanent

Set: Outlaws of Thunder Junction: The Big Score Type: Sorcery Rarity: Mythic Cost: {1}{R} Create a token that's a copy of target artifact or creature you control

When Captain of the Watch enters the battlefield

Set: Secret Lair Drop Promos Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{W}{U}{B} Flying

"I'm pleased this world has learned the moon affects more than the tides

Perilous Myr [Mystery Booster] Merfolk you may tap or untapSet: Mystery Booster Type: Artifact Creature Phyrexian Myr Rarity: Uncommon Cost: {2} When Perilous Myr dies, it deals 2 damage to any target. To Mirrodin, an explosive. To Phyrexia, a missionary.