Mirror Box doesn't stop you from sacrificing or exiling your tokens, but it does turn off the "legend rule", and it pumps the original creature based on how many copies you have in play with the same name
Since it's not a creature, it won't gain the Dragon subtype, and it won't have base power and toughness 4/4
But Svogthos has been somewhat overlooked since, criminally so when you consider how exceptionally it scales to threaten even Commander life totals
Creatures (6) Planeswalkers (1) Lands (16) Spells (37) 2 Sensei's Divining Top 1 Brainstorm 4 Mana Drain 1 Vampiric Tutor 1 Mystical Tutor 1 Yawgmoth's Will 4 Force of Will 1 Sol Ring 1 Demonic Tutor 1 Hurkyl's Recall 1 Time Walk 1 Ancestral Recall 1 Mana Crypt 1 Time Vault 1 1 Merchant Scroll 1 Rack and Ruin 1 Thirst for Knowledge 1 Chain of Vapor 1 Misdirection 1 Tinker 1 Voltaic Key 1 Black Lotus 1 Fact or Fiction 1 Mox Emerald 1 Mox Jet 1 Mox Pearl 1 Mox Ruby 1 Mox Sapphire 1 Darkblast The life loss is just not that big a deal in powered formats anyway
The set will see Magic return to the Arthurian and fairy tale-inspired plane full of epic quests, fantastical beasts, and incredibly overpowered cards for the first time October 2019s Throne of Eldraine
