Mist Valley Thunder Lord

Synchro/Effect Monster · Thunder · WIND · ★7

ATK 2600/DEF 2400

“1 Tuner + 1 or more non-Tuner Mist Valley monsters // Once during either player's turn, you can return 1 card you control to its owner's hand to have this card gain 500 ATK until the End Phase. This can be activated during either player's turn.”