While red and blue generally isn't great at making duplicates of tokens, you can certainly pump them out with any number of efficient spells
Evolve Quickly: Evolving Pokmon increases their strength and often grants access to better attacks
By giving them +2/+2 and lifelink and vigilance, they all become a source of fantastic life gain, to ensure you're not going to be taken out of the game quickly.
cards to pay for them, and will attack Leaders and other Characters using their own cards, in the hope of being strong enough to make the opponent draw cards from their Life area until they have none left to draw
Synergizes great with Commanders that care about casting from the yard/not the hand, like Sevinne, or just solid redundancy in Kess
(Note that some effects target a creature, and those effects would still require a legal target to have it explore.) (2018-01-19)