the ring tempts you mtg cards Stainless Steel Token - Metal Tokens bearers power.II — Destroy all nonlegendary creatures.III — Each opponent loses 1 life for each creature card in that players graveyard. MTG The Ring The Ring

Seriously, if a deck had a way to produce Green mana, it was playing some number of copies of Call of the Herd

Akroma, Angel of Wrath Bane of the Living Beacon of Destiny Brood Sliver Caller of the Claw Celestial Gatekeeper Chromeshell Crab Clickslither Defender of the Order Dermoplasm Dreamborn Muse Drinker of Sorrow Elvish Soultiller Essence Sliver Feral Throwback Ghastly Remains Glowrider Goblin Goon Graveborn Muse Havoc Demon Hollow Specter Imperial Hellkite Keeper of the Nine Gales Kilnmouth Dragon Krosan Cloudscraper Lavaborn Muse Magma Sliver Mistform Ultimus Phage the Untouchable Planar Guide Primal Whisperer Riptide Director Riptide Mangler Rockshard Elemental Scion of Darkness Seedborn Muse Skirk Alarmist Sunstrike Legionnaire Synapse Sliver Toxin Sliver Tribal Forcemage Unstable Hulk Vexing Beetle Weaver of Lies Windborn Muse

Thoughtfully Designed Capacity: Store 100+ double-sleeved cards per caseover 400 cards total

You also get a nice card storage box which comes in handy for storing bulk, and there's an Avatar-branded life click wheel included too

When you do, exile that card