Name:Glaciers
ManaCost:2 W U
Types:Enchantment
K:UpkeepCost:W U
S:Mode$ Continuous | Affected$ Mountain | AddType$ Plains | RemoveLandTypes$ True | Description$ All Mountains are Plains.
AI:RemoveDeck:Random
Oracle:At the beginning of your upkeep, sacrifice Glaciers unless you pay {W}{U}.\nAll Mountains are Plains.
