While it's not a permanent solution, it is certainly a frustrating one
Whenever this creature or another creature you control dies, if it had counters on it, put those counters on up to one target creature

Aeve, Progenitor Ooze All of History, All at Once Amphibian Downpour Arrow Storm Astral Steel Attempted Murder Brain Freeze Captain Lannery Storm Captain Lannery Storm Chatterstorm Cinder Storm Comet Storm Command the Storm Crackling Spellslinger Crow Storm Dragonstorm Elemental Eruption Empty the Warrens Etali, Primal Storm Eye of the Storm Fiery Encore Flusterstorm Galvanic Giant Galvanic Giant Galvanic Relay Grapeshot Ground Rift Hail Storm Hall of Storm Giants Haze of Rage Hindering Touch Hunting Pack Ignite Memories Ion Storm Krosan Adaptation (playtest) Lava Storm Lightning Storm Meteor Storm Mind's Desire Mordor on the March Murmuration Nahiri, Storm of Stone Najal, the Storm Runner Needle Storm Pigment Storm Possibility Storm Prismari, the Inspiration Radstorm Ral, Crackling Wit Ral, Storm Conduit Reaping the Graves Scattershot Siani, Eye of the Storm Spreading Insurrection Sprouting Vines Storm Caller Storm Elemental Storm Entity Storm Fleet Aerialist Storm Fleet Arsonist Storm Fleet Negotiator Storm Fleet Pyromancer Storm Fleet Sprinter Storm Fleet Spy Storm Fleet Swashbuckler Storm God's Oracle Storm Herald Storm Sculptor Storm Seeker Storm Shaman Storm Skreelix Storm Spirit

Convert to Slime does this well
Hivis of the Scale First among our tournament-legal lizard commanders is Hivis of the Scale
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