iconic mystery box pokemon graded card Pokémon Slab – PSA, BGS & CGC (English) offering a meticulously selected assortment of premium graded Pokemon cards Iconic Mystery Box | Pokemon

Note this will work with tokens too

So, because I don't know what you're looking for and you gave practically 0 information to make suggestions simple, here's every single infinite combo I can think of or find in Esper (and some of these aren't even registered as combos on the site, so

Calling Runo Stromkirk to hang with Kederekt Leviathan

This dual-ink character can come out at four ink, and has his own synergy with Illusion characters by bringing them back to your hand when they get banished

This will ensure that you always have the right kind of mana, in addition to helping you get enough of it

Cards with two permanent types