Chaos Shrine's Black Crystal
Legendary Artifact
Whenever a nontoken creature you control dies, exile it.
At the beginning of your upkeep, you may put a creature card exiled with Chaos Shrine's Black Crystal onto the battlefield under your control with a finality counter on it.
- CMC
- 4
- Mana cost
- Color identity
- B
- Rarity
- rare
- Set
- Final Fantasy Commander
- Price
- $4.18
- EDHREC rank
- #14096
Chaos Shrine's Black Crystal lands on the board and immediately starts generating value — the kind of incremental advantage that compounds hard in long Commander games. Edea, Possessed Sorceress and Appa, Steadfast Guardian both lean on it heavily, and the inclusion numbers back that up: this is a staple in the decks that want it, not a fringe consideration.
Best Commanders
Commanders with the highest synergy

Edea, Possessed Sorceress
Edea, Possessed Sorceress appears in 44% of decks and runs Chaos Shrine's Black Crystal as a core piece of her engine — the crystal feeds exactly the kind of recurring resource generation Edea wants to snowball through a game.

The Destined Warrior
The Destined Warrior shows up with Chaos Shrine's Black Crystal in 36% of builds, using it to sustain the tempo and resource advantage the deck needs to push through to its endgame.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Chaos Shrine's Black Crystal is legal in Commander, Legacy, Vintage, and Oathbreaker — and Commander is where it does its best work. The singleton format rewards cards that generate sustained value over multiple turns, which is exactly the role Chaos Shrine's Black Crystal fills. Legacy and Vintage have access to it on paper, but the raw power ceiling in those formats is high enough that slower value engines rarely earn a slot. Oathbreaker is the other home worth watching, where the compressed game length still leaves room for this kind of incremental advantage.
Key Combos
Combo lines featuring this card




Appa, Steadfast GuardianEternal ScourgeAshnod's AltarChaos Shrine's Black Crystal
Infinite LTB; Infinite ETB; Infinite sacrifice triggers; Infinite death triggers; Infinite colorless mana; Infinite storm count; Infinite creature tokens
View on Commander Spellbook ↗



Iraxxa, Empress of MarsEternal ScourgeAshnod's AltarChaos Shrine's Black Crystal
Infinite LTB; Infinite ETB; Infinite sacrifice triggers; Infinite death triggers; Infinite colorless mana; Infinite storm count; Infinite creature tokens
View on Commander Spellbook ↗Price Context
Current price
$4.18 cheap tier
At $4.18, Chaos Shrine's Black Crystal sits at the low end of the mid-tier range — cheap enough to slot in without hesitation, meaningful enough that the price isn't purely speculative. Given the 44% inclusion rate in Edea, Possessed Sorceress decks, demand is real, and the price reflects that without being inflated.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.