one piece trading card game shanks (Sealed Battle Kit Vol. 1) - Promotion Cards SEC Number Shanks (004) (English Version 2nd

(By the way, cards with cheaper alternate play costs like Avatar of Fury will still trigger Kalemne.) There are multiple cards from Oath of the Gatewatch that really seem useful for Commander, generally, and Kalemne, specifically

Just two mana, two life and two cards

This isnt so much of a power level adjustment, but rather adapting your deck to be able to contain or stop issues as they arise

The weird back-up commander was Pramikon, Sky Rampart, a Mystic Barrier in the command zone

Fetch lands and dual lands are quite pricey, but that is because they are so dang efficient

Sowhat makes a Set Booster more exciting to open