Aside from hosing the former best deck in the format, though, this interaction allows us to do something else: never die to damage
Ping effects, chump blocking, and chump attacking are all situationally viable ways to get rid of shield counters and expose the creature to combat and removal spells
1 Kathril, Aspect Warper Insect tokens dont tend to be much of a problem to deal with alone, generally just being generic 1/1 creatures, but Kathril lets you augment your forces with a bevy of useful keywords, ratcheting up their nuisance value by several degrees
Deathrite Shaman Deathrite Shaman first appeared in Return to Ravnica and was a minor player in Standard, but did so much damage to specific archetypes that it was eventually banned in Modern
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