Magikarp is, canonically, one of the most pathetic pocket monsters in the entire Pokmon TCG
However, it also includes two premium features, the Season Pass and Poke Gold, both of which allow players to open more card packs
Still, here are the cards you need for the 'Mew ex Museum' Secret Mission: Mew ex #32 (Four Diamond) Mew ex #77 (Full Art / Two Gold Star) Mew ex #83 (Rainbow / Two Gold Star) Mew ex #86 (Full Gold Art / One Gold Crown) Rewards: 36 Wonder Hourglasses, 12 Pack Hourglasses and 10 Shop Tickets
Royal Treatment gives a creature you control hexproof for the turn, while also creating a Royal Role enchantment token attached to it, giving it a permanent +1/+1 and ward 1 boost
Gandalf the Grey might not see that much play in casual formats focusing on Tales of Middle-earth , since it usually takes more than one set to make a good deck based on instants and sorceries
Gems can also be used to buy more player avatars, custom card backs, and other style extras