40k commander decks mtg Warhammer Forces of the Imperium Deck Warhammer 40,000 Commander Decks -

Elf decks can use Herald's Horn mainly for the card draw since green's own card draw effects are few and far between

Functionally, Yuna's Whistle is a pseudo-cantrip that always replaces itself with a creature, and finding the creature gives you some +1/+1 counters too, so there's combat trick potential as well

Equip it to a Godo, Bandit Warlord and you'll have infinite combat steps, or you can equip it to a Timestream Navigator for unlimited extra turns

Biomechan Engineer This 2/2 for two mana has a lot going on

I think until Cutter loses its grip on the format (which might not be for a long time) you can relegate this one to your trade binder, but I might keep it around just in case