The Ninja will deal combat damage during the regular combat damage step, even if it has first strike
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) , , Sacrifice another artifact: Proliferate
Wistfulness, Vibrance, Emptiness, Deceit, and Catharsis change what they do based on the colors you use to cast them, which makes every decision feel meaningful
Toxrill, the Corrosive Custom MTG Commander Deck
It's put into the graveyard from the stack, not the battlefield, so its last ability won't trigger
And it is a win condition, assuming you can get enough lands out all at once