Drana and Linvala

Two of Zendikar's marquee legends fused into a single body, and the design brief is written in the split of their names: Drana's aggression as a vampire warlord, Linvala's angelic authority over what an opponent's creatures are allowed to do. The result is a hatebear scaled up to commander size. The first clause is pure lock: no opposing creature can activate anything, which shuts off mana dorks, sacrifice outlets, creature-based engines, level-up creatures, and any board that leans on tap or pay abilities to function. That alone would be a strong tax piece. The second clause turns the same restriction into theft: this card holds every activated ability those creatures have and can pay for them with any color, so the opponent's toolbox becomes yours to run. The interaction between the two is the whole point. Because opponents can't activate their own abilities, there is no competition for the effects; you get exclusive access to a set of buttons your opponent built and can no longer press. It punishes decks whose power lives in activated abilities rather than raw stats, and rewards a controller who reads the board for the best line to steal. The 3/4 flying, vigilance frame is almost incidental: it attacks and blocks while the two lockdown clauses do the strategic work, which is the older Linvala, Keeper of Silence idea widened from tapping-for-mana into every activated ability on the table.