In that case, the card is exiled from the zone it is in as the action is taken rather than from its owners hand.
Starting with Geothermal Kami there's enough ways to loop this and bury people in removal to override any weird awkwardness, and the instant removal just sucks in the format
I guess this one could be interesting, as it lets you immediately cash in some of the stronger cards but I think it might just be a 99 card
Equip Artifact - Equipment Color tag templates(None) Settlement Blacksmith When this creature enters, if you control an Equipment, draw a card
Both the life gain and sacrifice options mesh well with other Witherbloom mechanics , while destroying a low-mana-value target can get you out of some awkward early-game situations against decks like Mono-White Auras
Locking them out of building a board state for the next turn does a lot to help squeeze in extra points of damage