Without the Anvil combo, Chains is textless vs too many decks. What if it used
Dark Deal to make both players immediately Hellbent (then just played out of the GY via Loam replacement effect), or
Waste Not to gain value from each iteration? Probably too cute.
Edit: Chains Stompy aka "I have too many Legends cards".dec
//Lands: 24
4
Urza's Saga4
Ancient Tomb1
Urborg, Tomb of Yawgmoth4
Verdant Catacombs3
Bayou3
Swamp1
Forest1
Nurturing Peatland3
Wasteland//Artifacts: 14
4
Mox Diamond4
Chalice of the Void1
Retrofitter Foundry1
Pithing Needle2
Anvil of Bogardan2
Trinisphere//Mortgage Payments: 6
4
Chains of Mephistopheles1
Nether Void1
The Abyss//Spells: 11
4
Life from the Loam3
Smallpox2
Dark Deal2
Baleful Mastery//Planeswalkers: 6
3
Liliana of the Veil3
Karn, the Great Creator//Sideboard: 15
1
Mycosynth Lattice1
Liquimetal Coating1
Ensnaring Bridge1
Anvil of Bogardan1
Tormod's Crypt1
Crucible of Worlds2
Sudden Edict2
Plague Engineer3
Assassin's Trophy1
Ghost Quarter1
The Tabernacle at Pendrell Vale
Since most of the business happens at 2 mana anyway, the idea is to slow down the game to let the lock come online. Opponent is highly punished for running Brainstorm. Karn lets you hide copies of the more conditional cards (Anvil, 3sphere) in the SB and is another wincon. Ancient Tomb is good with Saga, accelerates Karn and the artifacts, and boost the land count to support Mox Diamond, probably better than running Ritual here (except that Liliana is harder to cast). Dark Deal combos with Chains to make both players Hellbent and then mill more cards, which should cripple the opponent but play well with Loam.
This probably doesn't work in practice, but it sure seems like a fun reason to play Legends cards.
In paper, this is a good way to check if opponent knows the rules.
Trinisphere + Nether Void -> How much does that FoW cost again?
The Abyss + Saga/Foundry -> I have creatures, you don't
Chains + Anvil + Loam -> Look I can do things, you can't