Vraska the Unseen Of Vraskas seven planeswalker cards, five have ultimate abilities meant to either outright kill an opponent or leave them on the cusp
Like his presence in Fantasia , his depiction effectively balances whimsy and a certain intimidating air, and it's easy to see how Mickey might regret getting on his bad side
Unlike most Equipment decks that rely heavily on expensive utility cards like Sword of Feast and Famine for mana and Sword of Forge and Frontier for draw, Nahiri provides all the mana advantage and card advantage we could ever desire and actually prefers cheapo garbage-looking equipment to help enable her: equipments that already come equipped so they can immediately trigger Nahiri like living weapons (Batterbone), for mirrodin (Hexgold Halberd), similar stuff without a keyword (Barbed Spike), and also equipments that enter equipped (Maul of the Skyclaves) and equipment creatures (Lizard Blades)
Finally, the real kicker is the type - Water - and not only that, the fact that it's not limited to Water-type Pokmon, like Erika is with Grass, but any Pokmon with a Water-type energy attached
Once your end step begins, it's too late to gain life in order to cause this ability to trigger
Its often risky to tap out for expensive spells, however, especially when there are blue players at the table