Heritage 97

Deck Construction Rules

Cards per deck: At least 60 plus a 15 cards sideboard.
Allowed sets: Alpha, Beta, Arabian Nights, Antiquities, Legends, The Dark, Fallen Empires, Harper Prism Book Promos, Ice Age, Homelands, Alliances, Mirage, Visions
Reprint rules: Every reprint that is Old Frame, uses art from legal sets and is non-foil is allowed.

Contemporary rules and errata are followed, but mana burn is in effect. Also, Mishra’s Factory uses the following errata:

Mishra’s Factory doesn’t assign damage if tapped as a blocker.

{T}: Add {C}.

{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It’s still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Banned: Amulet of Quoz, Ancestral Recall, Balance, Black Lotus, Black Vise, Braingeyser, Bronze Tablet, Candelabra of Tawnos, Channel, Chaos Orb, Contract from Below, Darkpact, Demonic Attorney, Demonic Tutor, Divine Intervention, Falling Star, Fastbond, Ivory Tower, Jeweled Bird, Land Tax, Library of Alexandria, Mana Crypt, Mana Drain, Mana Vault, Mind Twist, Mirror Universe, Mishra’s Workshop, Mox Emerald, Mox Jet, Mox Pearl, Mox Ruby, Mox Sapphire, Phyrexian Dreadnought, Power Artifact, Rebirth, Regrowth, Shahrazad, Sol Ring, Strip Mine, Tempest Efreet, Time Vault, Time Walk, Timetwister, Timmerian Fiends, Vampiric Tutor, Wheel of Fortune, Zuran Orb.

You can find more information about this format on their website.