For that effect, it gets a spite counter on it whenever the cursed player casts a spell
You could just use this as a sac outlet that nets Treasures, but my mind goes immediately to Gravecrawler and any third combo piece you can think of
You can only use each of the following effects of "Armed Dragon Thunder LV3" once per turn
The Nicol Bolas is the most sought-after elder dragon card
The equipped monster gains 1500 ATK/2000 DEF during the Battle Phase and Main Phase 2, only
Urzas ability works well in Humans, as the activated ability uses strictly colorless mana, and while the ability does cost five mana, Aether Vial can be used to help pay that cost, meaning Humans has 23 mana sources to activate the ability if you count fifteen non-Ancient Ziggurat Lands, four Noble Hierarchs, and four Aether Vials