You still have to pay the full amount of mana for those spells plus some life, but it's all inherent card advantage
If this spell was kicked, that creature gets +4/+4 until end of turn instead
While precons do make for great ready-made options, any reasonably mechanic-focused deck can work here
Muerra knows Scratchbark like the back of her paw, using clever tactics to trick, disarm, surprise, and confuse her enemies
We have epic stories about mana flood or mana screw or color screw
If you're doing this for a whole collection rather than individual cards, we've written a dedicated guide on how to find your Pokemon card collection's value that walks through the process step by step