If you want to build around K'rrik specifically, however, you can use him to helm a very strong life manipulation deck or generically good combo or control deck
This can be built in many ways, though the most popular option is to build a stax deck looking to leverage Omen Pool combos
FORBID Another three-mana counterspell and this one was successful in a time when actual Counterspell was still legal in Standard and Extended
Nethroi, Apex of Death plays as a combo deck using creatures with negative power, like Scourge of the Skyclaves, to reanimate an unreasonable number of creatures
The one-of-a-kind appropriately named "One Ring" playing card was released as part of a collection to celebrate J.R.R
Doubling other stuff is great too, even if it only applies to a narrow set of creatures