mutilate mtg card FOIL English FOIL Torment TOR SP 1 until end of turn for each Swamp you control. Mutilate | Mystery Booster 2

Something to keep in mind: Permanents with Indestructible can still be dealt with by other means

Sythis, Harvest's Hand is one of the go-to Enchantress Commanders thanks to her card draw capabilities, so putting her as one of the 99 in Go-Shintai is a great idea

By the way, similar cards already existed with Truce and Temporary Truce, which got a lot of multiplayer play during their heyday - although there you could trade cards drawn for life gain if you were about to die and needed to come back

Still, there are always ways to power down a deck for a slower table

The blue-green specific part of the triad is the most ramp-centric