festival in a box mystery booster 2 2: Atlanta Edition Battle For Good Secret Lairs! Opened & Priced Let's Open at Least $560

Sneak Attack allows us to drop in lots of creatures for their ETB value, swing in with them, and then get them back later

Trademarks from June 2025 point to Mega Rayquaza ex (Delta Stream SIR with emerald ozone storm), with 180-200 cards and god packs

Blood Money Apparently were in board wipe city, with Blood Money being a black sweeper that converts all creatures in play into treasure for you

The snug fit helps prevent bending and keeps out dust, while the matte texture reduces slippage during long multiplayer matches

Grimoire of the Dead an instant win when combined with Chainers ability

It's impossible to know the exact count of cards in existence, but that seems like the most likely answer