You may want to add Unwinding Clock, Loading Zone, or some other cards that can help proliferate your counters which in turn will allow you to get your IGS out quicker.
Raging Surf (SV3a) Booster Box Japanese sealed booster box
Once you've stopped your opponents from playing, you can find All That Glitters and other auras to end things
These can be stopped with a feather from Darkrai's lunar counterpart, the Legendary Pokmon Cresselia
Being able to hit for larger amounts of damage due to Brute Bonnet [Paradox Rift] creating Poison damage, Radiant Hisuian Sneasler [Astral Radiance] increasing that damage, and Binding Mochi [Shrouded Fable] taking it to another level takes this archetype to another level
A lot of these effects destroy just one land, but mass land destruction destroys lots of lands at once