mist valley shaman yugioh original card HA01-EN005 Prices | Hidden Arsenal you can return 1 monster you control except this card to your hand to have this card gain 500 ATK until the End Phase. Mist Valley Shaman Original Japan

The deck definitely wants the first copy and its close if the second copy deserves to be in the deck given how strict the black mana requirements are

When it comes into play, all your creatures gain +X/+X for the turn, with X equalling the number of creatures you control

You can see if anyone is currently selling your card by clicking the For Sale link right above the search results but remember that for sale prices arent what its really worth, just what someone is asking for it

Speaking of dumping mana into something, Polukranos, World Eater happens to be a thing

It's a consistent, cheaper version of Reckless that comes with a +1/+0 for the whole group