ELECTRO, ASSAULTING BATTERY Putting this into Standard with Vivi might well be Assault, or Battery
What I think is valuable to share are cards which are less obviously busted on rate
Balancing all of these choices is what makes this game work so well and helps it improve on the format by giving more opportunities for players to feel clever, which is where trick-taking really shines
Due to planeswalkers being so great almost all of these will have some Duress targets but the problem is that you don't have good odds on getting a hit, even on turn one, making Duress a bit dodgy
If your mana was used for a dork then it gets a permanent +1/+1 boost from a counter, and over time that could be quite powerful
Cinderella, Knight in Training A cheap Disney Lorcana promo card with some play value