mtg arena remove card from deck Rules Text: remove, from, the, game, 640 cards We are getting another 1

Legendary Creature Human Warrior Rare Wayne Wu 3/3 NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic NOT LEGAL Timeless NOT LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer NOT LEGAL Modern NOT LEGAL Legacy NOT LEGAL Pauper NOT LEGAL Vintage NOT LEGAL Penny NOT LEGAL Commander NOT LEGAL Oathbreaker NOT LEGAL Standardbrawl NOT LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander NOT LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh Trample Whenever Felothar enters or attacks, you may sacrifice a nonland permanent

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There are character cards that can resist this, however theyre all either so weak you wouldnt want to waste the card on them anyway or only good when paired with a specific other card and so arent the most reliable

Though there are more types of double faced cards and other rules mostly to do with various other keywords and the way they can affect the handling of double faced cards the above will cover you for learning how to incorporate cards in your deck, along with the basics of how they work