Planar Gate

• WWizards of the Coast2004-10-04
  Official Ruling
  Multiple Gates are cumulative. Two will reduce the cost by up to , and so on.
• WWizards of the Coast2004-10-04
  Official Ruling
  Only works for its controller, not all players.
• WWizards of the Coast2004-10-04
  Official Ruling
  Only reduces the generic mana portion of a spell's cost. If the cost does not include generic mana or includes less than , you get a reduced or null effect from this card.
• WWizards of the Coast2008-04-01
  Official Ruling
  Works on all spells with the type Creature, even if the spell has another type like Artifact or Enchantment.

Rulings via Scryfall