Ive put it on Isochron Scepter before, which is a bit antisocial, but Ive also used it to counter my own spells as a build-your-own-Recall
Note that we're updating these prices the same week Vivi got banned, so expect it to drop even further from its heyday as a $70-80 card
Prices are updated based upon Magic Unlimited listings that sold on eBay and other marketplaces
Most of the guides on the internet are written for sellers
That essentially makes the 0 ability on Vraska, Betrayal's Sting a +1 while bolstering poison counters, loyalty counters, and anything else worth proliferating
Robin Hood, Champion of Sherwood usually costs five ink to play but if you already have another Robin Hood card out on the table - such as the new Robin Hood, Beloved Outlaw or Robin Hood, Capable Fighter - then youll be able to play this card for just three ink instead, thanks to its Shift keyword