Mathmech Mathmech is a Deck that just got a wonderful support, Mathmech Circular, which changed its tier with an effect that allows it to send 1 other Archetype monster from the Deck to the Graveyard as a Special Summon cost for your hand, also when another Mathmech monster is Summoned while you control this monster, you can add 1 Archetype Spell/Trap from your Deck to your hand
Sure, there was far too much monetisation in the form of multiple different currencies, and the battles lacked a much-needed strategic edge, but for a mobile game you can largely play for free, it scratched an itch that kept me from ripping overpriced real-world packs and connected me with a lot of friends doing the same
If you don't live in the US, you will have to find a trusted reseller
Chase card: Stitch - Experiment 626 (Enchanted) at $344.95
Q840 Apr
But first, keep in mind this accounts for near mint quality