Or, in other words, nearly every creature that sees significant play in eternal formats
Unlike conditional counters, it never sits dead in your hand waiting for the right target
When you are able to play this you generally have weaker monsters and hoping to copy something big they make
Based on what Ive seen so far, you could do worse than a mono-ruby deck all about Sid and the toys he tortures for fun, but you can also dip into emerald or amber (preferably amber) to get access to a wider array of toy tools to play with
Grindstone mills two and repeats whenever two milled cards share a color so with Painter out, it never stops and decks the target in one activation
The goal of this deck is to raise Vadrik's power to 3, then storm off, generating mana while drawing through our deck until we assemble a game-winning combo