A good reason for going mono-black is that black can cover almost all bases well (except artifact destruction)
Then, in your upkeep, you can toss +1/+1 counters on a dragon you control for each color

$0.49 Master Chef (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.49 Zevlor, Elturel Exile (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.59 Wyll, Blade of Frontiers (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.99 Astarion, the Decadent (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.69 Acolyte of Bahamut (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.69 Raphael, Fiendish Savior (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.59 Gale, Waterdeep Prodigy (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.49 Myrkul, Lord of Bones (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.99 Minthara, Merciless Soul (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.35 Nimbleclaw Adept Commander Legends: Battle for Baldur's Gate $0.49 Bane, Lord of Darkness (Foil Etched) Commander Legends: Battle for Baldur's Gate Variants $0.79 Volo's Journal Token Commander Legends: Battle for Baldur's Gate 0 results found

I know I bad-mouth Shared Summons elsewhere, but this green instant isnt a bad card
Varis, Silverymoon Ranger One of my favorite mechanics in the Adventures in the Forgotten Realms set is the dungeon mechanic
What you can do before the attachment is kill the equipment