Liquimetal Coating (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Legions if that creature was destroyed

if that creature was destroyed this way

Set: Secret Lair Drop Series Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{U}{B}{R} Your maximum hand size is eleven

Add one mana of any color

Set: Fossil 1st Edition Type: Grass Rarity: Holo Rare Retreat cost: Colorless

And furthermore

Liquimetal Coating (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Legions if that creature was destroyedSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Uncommon Cost: {2} {T}: Target permanent becomes an artifact in addition to its other types until end of turn. "We've had a breakthrough on the fifth iteration. The subject's skin was entirely replaced within an hour, and he survived a full day after that!" Ashnod, to Mishra