The sorcery speed is what holds it back just a little
Legality depends on the tournament format -- Shark Shredder, Killer Clone can be legal in some formats and banned or restricted in others
With a deck stacked full of other Outlaws, Olivia can amass the Treasure necessary to pull off her secondary effect multiple times, powering up your Creatures to game-winning levels
Its an almost Herculean task to narrow the list down from over 3,400 cards, and then rank the ones remaining from worst to best
The token spawn engines in the Witherbloom Pestilence deck are Beledros Witherbloom, Eccentric Pestfinder, Mycoloth, Ophiomancer, Pest Rescuer, Ribtruss Roaster, Tendershoot Dryad, Woe Strider, and Awakening Zone