Speaking about the boosters was the lead designer, Gavin Verhey, who stated that, [Mystery Boosters] are probably the strangest non-silver bordered thing weve ever done. The Mystery Booster series curated list contains over 1,000, making it easily the largest set ever. The unconventional packs each follow the same basic structure, featuring: 1 playtest card (only in the Convention Edition) 2 commons/uncommons of each color 1 common/uncommon multicolored card 1 common/uncommon artifact or land 1 pre-M15 card in Magics original frame (can be a rare) 1 rare or mythic from M15 forward The playtest cards are perhaps the most interesting pieces in each pack
Mechanically, these are older planeswalkers
2023-06-16 Players may cast spells that they know Boromir, Warden of the Tower will counter
This is a land that can technically be cast as a spell isnt anywhere near good enough
Legendary Creature Enchantment - Demigod Xenagos, God of Revels Indestructible As long as your devotion to red and green is less than seven, Xenagos isn't a creature
