Getting to cast instants and sorceriesones that were only intended to be cast oncea second time is quite powerful
This is like having a Doubling Season or Parallel Lives right in the Command Zone, which is an intense amount of power at your fingertips right at the start of the game
Right now Im playing a playset even in Hammer Time, but I recollect playing this card in a lot of different archetypes, from UB control to Ad Nauseam, from Goblins to even Sultai Urza
Hazoret, Godseeker At 2 mana, Hazoret, Godseeker is one of the best max speed payoffs, and its also a card that can start your engines relatively early
Them searching Griselbrand to put into the graveyard makes me think they dont play Shenanigans as a clean Entomb target to get rid of Grafdiggers Cage and/or they already have removal for Grafdiggers Cage in hand (their latest list has 4 copies of Wear/Tear)
Assuming Every Card Can Become Ink Only cards with the appropriate inkwell symbol can normally be placed into the inkwell