Japanese alternate arts are exclusive to Japanese boosters, except for the Mystical Archive cards appearing in global Collector boosters
There's so much neat stuff for Pauper in here
A card like Blighted Cataract is colorless in game, but has a blue color identity, and we're focusing on cards that could be played in a colorless Commander deck
Eluge can get large and play with the rare flood counter cards, so go Simic and you can splash in Xolatoyac, the Smiling Flood, and Bounty of the Luxa
Kains almost-comical ability to be forced into betraying you is delightfully woven into Magic with his card, Kain, Traitorous Dragoonwhenever Kain does damage to another player, they can choose to take control of him and he does mirrored damage to his original owner, meaning that Kain can bounce back and forth between ownership over the course of the game
Any card that is banned in Legacy should rarely be considered safe for Modern, and especially so when the combination that got it banned in the first place exists in its unfettered form
