Name:Glaciers
ManaCost:2 W U
Types:Enchantment
T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigUpkeep | TriggerDescription$ At the beginning of your upkeep, sacrifice CARDNAME unless you pay {W}{U}.
SVar:TrigUpkeep:DB$ Sacrifice | UnlessPayer$ You | UnlessCost$ 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.
