Personally, I dont think this card should be in this list: even if this sort of permission is great versus some decks, I feel the most played ones usually dont care, or trade positively with two mana counters
I think it would be a material boon to Amulet of Vigor strategies and would probably show up in other places
As a final note, Connive makes me curious about the color pie
Illustrated by Jarel Threat Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Etali, Primal Storm, Combustible Gearhulk, and Diluvian Primordial generate massive value when cheated into play, often ending games on the spot
It still sees some play in formats its legal in (like Pioneer and Modern) but doesnt dominate those formats in the same way it ruined Standard