yugioh zombie shiranui deck advice for October laddering YGOrganization | Creative Deck Strategy:

The morph mechanic has been held back from being a viable archetype in Commander because it lacks enablers beyond the interaction with Animar, Soul of Elements

Koma can sacrifice Serpents to tap a permanent and shut off its activated abilities or to give itself indestructible, giving practical use for Koma's Coil tokens in-game

The deck incorporates several gameplay mechanics and allows for frequent drawing, encouraging players to consider different ways of playing and better understand various game situations as a whole

Both of these have their own pros and cons

Upon touching the grave, it aggressively mills 5 cards from both players