Best Colorless ETB Payoffs The best way to take advantage of ETB triggers, regardless of color, is to double up on those abilities, or at least copy them
It means it can attack into a lot of creatures and your opponent wont want to trade because of the recursion, which means its particularly good at enabling spectacle
You even get Urza, Lord High Artificer who started out as an archaeologist himself
In practice, this will likely mean your opponents will play all their artifacts and creatures tapped, but that's still a big effect for a two-mana vampire soldier
Firion, Wild Rose Warrior features the protagonist of FINAL FANTASY II
His evasive keyword gives him moderate protection from opposing characters targeting him, and his What Comes Next ability makes him a constant irritation to opposing players as the moment he hits the field Genie lets his illumineer draw a card immedietely