mtg cards that transform other cards Magic opposing permanents? This is of Mythic Rare rarity Magic The Gathering Double-Faced Card

It's a giant monster that arrives at instant speed, it can't be countered, and it bounces nonland permanents or spells on the stack whenever you cast something

Once you announce you're taking that action, no other player can respond by trying to remove that card from your hand

Arcee, Sharpshooter is a 2/2 creature with first strike, and you can pay one generic mana to remove any number of +1/+1 counters from it to deal that much damage to a creature

A word of caution on my older posts however

Of course recasting the Gatewatch as baseball players and tapping into the primordial roots of the trading card market by emulating the style of baseball cards is a great idea

Now their buylist is $175, and really theres no ceiling for this Reserved List foil