The main thing with Krrik is to aggressively spend your life total to cast black spells, which in turn leads to lifegain
This includes both damage-dealing effects and life-loss effects, which have the same result but are technically slightly different in terms of the rules
Its classic black magic: Greatness, at any cost
(Thankfully you can check how many you currently have by checking in your card collection.) Here's the card you'll need to collect 100 times for 'A Sweet Party of Epic Proportions': x100 Milcery #36 (One Diamond) Reward: Alcremie Emblem Extradimensional Crisis Museum 1 'Extradimensional Crisis Museum 1' tasks you with collecting six specific Full Art cards, including Celesteela and Alolan Meowth (a rather sassy-looking version of Meowth too)
(It can't be the target of spells or abilities.) Equip Artifact - Equipment Color tag templates(None) Artifact (CTRL to add secondary) Creature Qty: 32 Price: $55.90 Acclaimed Contender When this creature enters, if you control another Knight, look at the top five cards of your library
Ultimately, this will be a case where testing will determine the better card, but I think Swarm could easily come out on top