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Conversion (Fourth Edition)

Conversion

Fourth Edition — Uncommon

Enchantment

Conversion rulings:

10/4/2004 : 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.

10/15/2006 : Will not add or remove Snow Supertype to or from a land.

Conversion (Fourth Edition)
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At the beginning of your upkeep, sacrifice Glaciers unless you pay .

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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.)

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Reality Twist

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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.)

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Timbermare

Timbermare

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Haste

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When Timbermare enters the battlefield, tap all other creatures.

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Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay for each age counter on it.)

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Glacial Chasm

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Cumulative upkeep—Pay 2 life. (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.)

When Glacial Chasm enters the battlefield, sacrifice a land.

Creatures you control can't attack.

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--
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Magus of the Tabernacle

Creature — Human Wizard (2/6)

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay ."

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At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with converted mana cost less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated.

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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.)

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Thran Weaponry

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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.)

You may choose not to untap Thran Weaponry during your untap step.

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Flow of Maggots

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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.)

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Season of the Witch

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Enchantment

At the beginning of your upkeep, sacrifice Season of the Witch unless you pay 2 life.

At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack.

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Tombstone Stairwell

Tombstone Stairwell

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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 each upkeep, if Tombstone Stairwell is on the battlefield, each player creates a 2/2 black Zombie creature token with haste named Tombspawn for each creature card in his or her graveyard.

At the beginning of each end step or when Tombstone Stairwell leaves the battlefield, destroy all tokens created with Tombstone Stairwell. They can't be regenerated.

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Energy Storm

Energy Storm

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.)

Prevent all damage that would be dealt by instant and sorcery spells.

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Thought Lash

Enchantment

Cumulative upkeep—Exile the top card of your library. (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.)

When a player doesn't pay Thought Lash's cumulative upkeep, that player exiles all cards from his or her library.

Exile the top card of your library: Prevent the next 1 damage that would be dealt to you this turn.

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Enchantment

Cumulative upkeep—Pay 2 life. (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.)

Prevent all damage that would be dealt to creatures you control.

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