mtg urza cards Urza, Lord High Artificer Legendary Creature Urza, Lord High Artificer (Retro)

This also is equipment, so if your dork dies, it'll stick around for another equip around the bin

Blightsteel Colossus Darksteel Colossus Dread Guile Hostility Legacy Weapon Nexus of Fate Progenitus Purity Serra Avatar Vigor Worldspine Wurm

Wingrattle Scarecrow Thanks to abilities that give creatures +1/+1 counters when they enter, persist creatures are the fuel for many infinite sacrifice combos, though Wingrattle Scarecrow can only be that in black+ decks like Gev, Scaled Scorch

Or has something else from the MTG Final Fantasy set release caught your eye

In exchange for the blue pip in the cost, you also get a built-in way to sacrifice it

Unholy Indenture