Gouging Fire ex 204/162 Loading
The only problem I see in a deck like Valgavoth is if your other draw spells dont come out and over-reliance on Valgavoth as a draw engine is eventually going to catch someones eye
Let's see what makes each of these decks unique
You must pay X, and for each generic mana in that cost, you may tap an untapped artifact or creature you control rather than pay that mana
Predicting whether your opponent will switch out their Whimsicott, protect with their Mega Charizard Y, or try to catch you off guard with a powerful, offensive attack creates mind games as addictive and intense as ever
The creature has the myriad ability, which creates temporary token copies of itself when it attacks, so that every opponent has a version of The Master Multiplied coming at them