mtg k'rrik commander deck Ultra Pro - Series #1: Mono All cards will be carefully packed for safe transit K'rrik, Son of Yawgmoth (#1186)

Look right below the art on the card and find the symbol printed on the right side of the card

This will not only save you time between games because you'll have a quick reference sheet to help you sideboard, but it will also give you plenty of additional time to consider if you want to make any last minute changes

Generic self-mill options like Altar of Dementia and Mesmeric Orb will do well here, but Vile Entomber is on another level

As if this werent enough, thanks to having partner, Rograkh decks can flexibly utilize whatever colors a player may want in their deck

Provided you have a way to discard cards, this lets you cheat massive creatures with powerful abilities into play, even cards with clauses that cause them to be shuffled back into your deck when they hit the graveyard (like the MTG Eldrazi titans)