Eloren Wilds

Plane — Shandalar   

Whenever a player taps a permanent for mana, that player adds one mana to his or her mana pool of any type that permanent produced. Whenever you roll , target player can't cast spells until a player planeswalks.

7 HOP • ENDarrell Riche

™ & © 1993—2009 Wizards of the Coast

Legal in: Legacy,Vintage,Commander

Oracle Text (click to copy):

Eloren Wilds Plane — Shandalar Whenever a player taps a permanent for mana, that player adds one mana to his or her mana pool of any type that permanent produced. Whenever you roll {CHAOS}, target player can't cast spells until a player planeswalks.

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View this MTG card on Gatherer

10/1/2009
A plane card is treated as if its text box included "When you roll , put this card on the bottom of its owner's planar deck face down, then move the top card of your planar deck off that planar deck and turn it face up." This is called the "planeswalking ability."
10/1/2009
A face-up plane card that's turned face down becomes a new object with no relation to its previous existence. In particular, it loses all counters it may have had.
10/1/2009
The controller of a face-up plane card is the player designated as the "planar controller." Normally, the planar controller is whoever the active player is. However, if the current planar controller would leave the game, instead the next player in turn order that wouldn't leave the game becomes the planar controller, then the old planar controller leaves the game. The new planar controller retains that designation until he or she leaves the game or a different player becomes the active player, whichever comes first.
10/1/2009
If an ability of a plane refers to "you," it's referring to whoever the plane's controller is at the time, not to the player that started the game with that plane card in his or her deck. Many abilities of plane cards affect all players, while many others affect only the planar controller, so read each ability carefully.
10/1/2009
You're "tapping a permanent for mana" only if you're activating an activated ability of that permanent that includes the  symbol in its cost and produces mana as part of its effect.
10/1/2009
Eloren Wilds's first ability affects any permanent players tap for mana, not just lands they tap for mana.
10/1/2009
The additional mana is produced by Eloren Wilds, not the permanent that was tapped for mana.
10/1/2009
The  ability prevents the affected player from casting permanent spells (artifacts, creatures, enchantments, and planeswalkers), not just instant and sorcery spells. It doesn't stop the player from playing lands or activating abilities (such as cycling or unearth).

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