uncommon mtg cards 50ct Vintage Magic the Gathering Card Lot sacrifice it unless you exile another creature you control format:standard rarity=uncommon · Scryfall Magic:

The design version required you to line up the card's converted mana cost with the creature's power

It's also the official MTG card size, and it's a shared standard across most other modern TCGs too

You can only play this spell during your end step

Otherwise, the sacrifice clause is there to trigger Delirium

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