Of course, Desynchronization won't answer all of those pesky artifacts your opponents might have in play, but you'll come out way ahead if your own battlefield consists of solely historic permanents
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(This is the same reason I've stopped playing Phyrexian Arena in Standardit's just too risky with Sheoldred being so heavily played.) In Modern, the card could be a Seismic Assault replacement and does have the huge, huge upside of only requiring one red mana (although it does cost one more mana overall), but is it going to be fast enough
Forget all that