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Of course, you still need to get the cards on Arena to build them

Mega Lucario ex Decklist: Riolu (x2), Lucario (x1), Mega Lucario ex (x2), Bonsly (x2), Hitmonlee (x2), Professor's Research (x2), Cyrus (x2), Copycat (x1), Korrina (x1), Arena of Antiquity (x2), Rocky Helmet (x1), Pok Ball (x2) The aim of this deck is simple: get Mega Lucario ex to hit for as much damage as possible

Led by Freyalise, Llanowar's Fury alongside Ezuri, Renegade Leader and Titania, Protector of Argoth for some reason, the deck revolves around (you guessed it) elf tribal

Activation[edit] To negate the activation of a card or effect is to cause it to not resolve after being activated