For casual testing, Emerge decks are excellent proxy candidates because the card pool is weird, clunky, and oddly specific, which is Magics preferred love language
Musketeer Tabard only has to be paid for once, and its ability is always active
Pay close mind to what Teleportation Circle can flicker, and consider Dungeons, because theyre not only good value, but a number of rooms let you target Agrus to put +1/+1 counters on him (and vis-a-vis the team) with only the two mana to copy the ability
You want to see as many cards as possible, so you want to scry first
It's important to see how different people approach this game
Borderless lands also show up in The Lord of the Rings: Tales of Middle-earth , depicting key locations of Middle-earth in full-art beauty