Sparky escape
Sparky takes extra time to play spells that have targets (ex. Murder, or more applicably, Raise Dead), so it would be easy to assume that multiple targets is even harder.
Sparky obtains a copy of Kroxa, titan of death's hunger via Gutmorn, pactbound servant, with myself having discard kroxa, thinking that only the opponent discarded a card.
I play Elderfang disciple, making sparky discard its kroxa. I get another copy, and sparky's goes to graveyard, still showing as playable with escape, cost of (4) and the required exileing of five cards in graveyard. Sparky has 1 kroxa, along with 8 other cards in graveyard.
I believe sparky plays a swamp, then Hmmms for all of eternity.
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MimberyEarth#10513 commented
On concession of the match, kroxa shows up as being cast on the stack, waits for a second, then Defeat screen shows.