Jet Medallion, Bolass Citadel, draw spells, tutors, and black cards that lack colorless requirements in their mana costs tend to work best with Krrik, as they help you stretch your mana and card access into ridiculously explosive turns that can win you the game on the spot if your opponents dont have access to any interaction
High Perfect Morcant makes your opponents blight their creatures when elves enter the battlefield, while using those same elves to proliferate
Imoti, Celebrant of Bounty Imoti, Celebrant of Bounty is an excellent value card that commonly gets splashed
Then, you can pay X mana, two blue, and two black to exile X creature cards from your graveyard and transform Ludevic
it is clear from the power this card is not meant for play
I want more connive because its a skill-testing mechanic as well as a good Limited mechanic to prevent the non-games where you draw the wrong part of your deck