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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

UR Ultra Rare Mimesis Elephant X TRAP Continuous Special Summon this card as an Effect Monster (Beast/EARTH/Level 2/ATK 0/DEF 2000)

That's over