mtg arcane secret lair cards Signet (Secret Drop) Magic: The Gathering Secret Lair

This helps a lot with mono-greens removal issues

Blackbloom Rogue / Blackbloom Bog Blackbloom Rogue is a rogue creature that also cares about mill decks, as many rogue tribal decks do

Most counterspells are blue cards, and specifically blue instants, as its what blue does best, but there are more than a few playable off-color counterspells

, , Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle

Totentanz, Swarm Piper Totentanz, Swarm Piper makes for a good Rakdos sacrifice commander since youll be able to get two bodies out of any nontoken creature you play

Queza, Augur of Agonies often sees at least some wheels in its lists, but you could run it like a group hug commander with Howling Mine effects