Polluted Delta will not tap and sacrifice with life for a land.
This happened in Brawl, with me playing an Atris deck, putting down Polluted Delta, with alternate style by Chris Ostrowski., on the board VS Muxus goblins. Neither of us had anything that would prevent a sacrifice via life or anything else.
Delta refused to tap and sacrifice for land. When I eventually destroyed all items on board with 2 or less mana, via the artifact Karn's Sylex, the land suddenly would tap and sacrifice.
No known hindrances before or after were related to the land itself. No idea how it could have happened and then been fixed by an artifact that destroyed nothing on it or against it via any possible way.
So it results in a bug to my knowledge.
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Rezzahan#77802
commented
I suggest you READ Karn'S Sylex. Then you see why that is not a bug.