pokemon mightyena card Team Magma's (19/34) [XY: Double Crisis] – Plug [Grass] x2 Retreat Cost Mightyena - 10/109/109 - Holofoil

Electrode GX 155/168 is a Full Art Pokmon card and belongs to Full Art cards of Celestial Storm series

You can't choose multiple creature types, such as "Halfling Scout." Card types such as artifacts can't be chosen, nor can subtypes that aren't creature types, such as Forest, Equipment, or Food

Also, there are many unfair decks in the environment other than Dredge

You are never forced to activate mana abilities to pay costs, so if there is a mandatory additional mana cost (such as from Thalia, Guardian of Thraben), you can decline to activate mana abilities to pay for it and hence fail to cast the suspended card, leaving it in exile