teferi mtg cards Magic: The Gathering Timeless Voyager Planeswalker Deck | Core Set 2021 (M21) you may cast sorcery spells as though they had flash Teferi, Time Raveler (foil) (borderless)

The effect would already be pretty crazy if it let you play a card for free from your hand, let alone search it out from anywhere, basically letting you pull out your I win card at will

Bill the Pony Bill the Pony is an unassuming little horse who creates two Food tokens when it enters the battlefield

Byode, Inverse Sun covers that for every IP, letting you cheat on color identity specifically for UB cards

Overkill (FIN-109) - FINAL FANTASY Foil Wizards of the Coast Instant Uncommon null/null Target creature gets -0/-9999 until end of turn

The End lets you exile all copies of a named card from your opponents entire setup, which is a frankly terrifying way to get rid of win conditions and leading into some weird endgames

Gray Merchant of Asphodel Gray Merchant of Asphodel might be the best reason to be in mono-black