Both Pokemon have high Retreat Costs, and Koga allows us to switch them out from the Active Spot whenever we want without discarding any Energy
Just remember: Im pretty sure that if, after a draft, you reveal that you drafted every single Yargle, you just win
Combat Tricks White has a lot of token support in M15
The creature is a bit easier to remove but will be able to attack or block
(When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.) If a card with persist is removed from the graveyard after it dies but before the ability trigger resolves, it won't be returned to the battlefield
There is one creature, however, you want to be careful not to target if you can afford it