You cant use it if you build a Kaheera companion deck, either
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But I built an empire inside my tomb. Kerrick, sleeper agent Illustrated by Donato Giancola Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Theyll need to pay mana and give opponents cards to get rid of it
I also agree with you on Finale of Glory not fitting the deck and even though it pains me to say it that Caged Sun might be to slow for the deck
Most commonly this is Chrome Mox but Disenchant gets a fair bit of self countering too