You can see the full decklists for each monocolor 30-card deck right here
To make the most of casualty, you'll want to fill your deck with creatures that reward you when they die, like Sinister Concierge, or tokens you have no attachment to, like decayed Zombie tokens
Strategize with cards like Donald Duck, Buccaneer, Mickey Mouse, Musketeer Captain, and Cinderella, Melody Weaver to gain an edge
Snow decks can make good use of both sides, but the snow commanders essentially a mana-doubler in these decks, whereas Kaldring is a slow, attrition-based card that requires some set-up
This decks two showcase cards are the Sapphire Aurora, Dreaming Guardian and Steel Simba, Returned King
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