Orcus, Prince of Undeath Okay I will admit, I am a bit bias with anything related to Rakdos but honestly Orcus, Prince of Undeath really is worth every bit of mana (and potentially, your life) you give to it
The term "defending player" in the myriad rules (or any other ability of an attacking creature) refers to the player the creature with myriad was attacking, the controller of the planeswalker it was attacking, or the protector of the battle it was attacking at the time the ability resolves
To simplify math, I'm going to pretend it's 100
This makes Veto one of the very best answers to a planeswalker out there
He was an automatic four-of in almost every Sapphire deck, used to great effect in combo with Pawpsicle for a huge amount of draw power
Sure, seven mana is pricey in the non-ramping color of Blue, but your sweep has giving you time