If you have one of these and Nadu, you can tap it to untap itself twice on your turn, then twice on each other players turn, and on the last turn before you untap, you can also target a different creature, which gives you nine Nadu triggers per turn rotation, so your best start is often just to play one of these, then Nadu, and if no one has removal, youll probably win on your following turn
I think of Ghalta when I think of 12 Mana
The art is menacing, and the Reflective Barrier attack has a come at me, bro feel
Letting players trade down higher rarity cards for lower rarity cards might smooth things out too
Once per turn, if you Normal or Special Summon exactly 1 Normal Monster (and no other cards): Add 1 "Phantasm Spiral" card from your Deck to your hand
As of writing this, I leave tomorrow and still have lots of testing to do