Riftbound Battlefield: Black Flame Altar. Units here with [Temporary] have [Shield]. (+1 [S] while they're defenders.)
Riftbound Battlefield: Forge of the Fluft. While you control this battlefield, friendly legends have "[T]: Attach an Equipment you control to a unit you control."
Riftbound Unit: Cruel Patron. As an additional cost to play me, kill a friendly unit.