For example, put this into Reaper King and you can run great creatures instead of terrible Scarecrows while still blowing up your opponent's stuff
(If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.) Vigilance Each other creature you control that's a Cat, Elemental, Nightmare, Dinosaur, or Beast gets +1/+1 and has vigilance
This goes in just about every deck that can spare a slot, from mono-red Commander to Modern, Legacy, and Vintage
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