Prophecy of Firebirds

{r}, Sacrifice a Mountain, Exile a red instant
or sorcery spell you control, Discard a red
card: Create a 3/3 red Phoenix creature
token with flying, haste, and "When this creature dies, you may pay {2}{r}. If you do, create a token that's tapped and a copy of it
at the beginning of the next upkeep."
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Ancient predictions are rarely as majestic.