While it technically had happened before with the My Little Pony (Ponies: The Galloping) crossover, those cards were not tournament playable
Mentor of the Meek
Contents : 1x Heliod, Sun-Crowned as "Dwight Schrute, Hay King" 1x Steelshaper's Gift as "Dwight's Weapon Stash" 1x Swords to Plowshares 1x Baral, Chief of Compliance as "Dwight, Assistant (to the) King" 1x Garruk Relentless // Garruk, the Veil-Cursed as "Recyclops, Eco-friendly // Recyclops, Nature's Vengeance" 1x Reaper King as "Dwight o' Lantern" Price : Non-foil: $29.99 USD Traditional foil: $39.99 USD Secret Lair Jaws Jaws is coming to Magic
Included with every order $149 or more is a Silver Shroud Costume promo
Magic the Gathering chooses to be less racist Wizards of the Coast has banned seven cards with racist imagery, names, or details and removed them fully from the official online database
It doesn't trigger multiple times if you cast a spell that targets a creature you control multiple times or that targets multiple creatures you control