Masters Edition IV — Rare
Enchantment
Conversion rulings:
2006-10-15: Will not add or remove the supertype snow to or from a land.
2004-10-04: The Conversion effect is a continuous effect. There is no chance to tap a just-played mountain for red mana before it becomes a plains.
Enchantment
At the beginning of your upkeep, sacrifice Glaciers unless you pay .
All Mountains are Plains.
Artifact
Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
If tapped for mana, Plains produce , Islands produce , Swamps produce , Mountains produce , and Forests produce instead of any other type.
Enchantment
Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
If tapped for mana, Plains produce , Swamps produce , Mountains produce , and Forests produce instead of any other type.
Creature — Elemental Horse (5/5)
Haste
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Timbermare enters, tap all other creatures.
Creature — Zombie (3/5)
Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever Balduvian Fallen's cumulative upkeep is paid, it gets +1/+0 until end of turn for each or spent this way.
Enchantment
Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated.
When Corrosion leaves the battlefield, remove all rust counters from all permanents.
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