However, using this move will discard 2 Energy from Mewtwo ex

Sort Rarity Card Type Bulbasaur - 1/25 #1Promo $1.20 Chikorita - 2/25 #2Promo $0.57 Treecko - 3/25 #3Promo $0.48 Turtwig - 4/25 #4Promo $0.58 Snivy - 5/25 #5Promo $0.41 Chespin - 6/25 #6Promo $0.43 Rowlet - 7/25 #7Promo $0.46 Grookey - 8/25 #8Promo $0.39 Charmander - 9/25 #9Promo $0.68 Cyndaquil - 10/25 #10Promo $0.54 Torchic - 11/25 #11Promo $0.55 Chimchar - 12/25 #12Promo $0.43 Tepig - 13/25 #13Promo $0.35 Fennekin - 14/25 #14Promo $0.44 Litten - 15/25 #15Promo $0.41 Scorbunny - 16/25 #16Promo $0.43 Squirtle - 17/25 #17Promo $1.46 Totodile - 18/25 #18Promo $0.74 Mudkip - 19/25 #19Promo $0.90 Piplup - 20/25 #20Promo $1.03 Oshawott - 21/25 #21Promo $0.66 Froakie - 22/25 #22Promo $0.47 Popplio - 23/25 #23Promo $0.47 Sobble - 24/25 #24Promo $0.58 Pikachu - 25/25 #25Promo $4.35 Pikachu - 25/25 #25Promo $4.35 Squirtle - 17/25 #17Promo $1.46 Bulbasaur - 1/25 #1Promo $1.20 Piplup - 20/25 #20Promo $1.03 Mudkip - 19/25 #19Promo $0.90 Totodile - 18/25 #18Promo $0.74 Charmander - 9/25 #9Promo $0.68 Oshawott - 21/25 #21Promo $0.66 Turtwig - 4/25 #4Promo $0.58 Sobble - 24/25 #24Promo $0.58

That sounds like an equivalent exchange, but it can often work against you
Kona, Rescue Beastie MTG has had an obsession lately with green commanders that cheat things into play, and Kona, Rescue Beastie is no exception
Azula Always Lies This Lesson spell can remove an opponent's small creature, buff a creature on your side of the board, or both
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