Cumulative upkeep {1}{U}{U} If tapped for mana, Plains produce {R}, Swamps produce {G}, Mountains produce {W}, and Forests produce {B} instead of any other type.
"Nothing is as it seems." —Gerda Äagesdotter, Archmage of the Unseen
"The Dryads told us to stay, as no new horrors would come when it was so cold. Three of us left anyway. The rest believed their lies, and their skeletons weren't found until the thaw." —Disa the Restless, journal entry
River Delta doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from River Delta. {T}: Add {U} or {B}. Put a depletion counter on River Delta.
Enchant creature Enchanted creature gets -X/-Y. If that creature is attacking, X is the number of snow lands defending player controls. Otherwise, X is the number of snow lands its controller controls. Y is equal to X or to enchanted creature's toughness minus 1, whichever is smaller.
Cumulative upkeep {U} Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.
X is the number of artifact and/or creature cards in an opponent's graveyard as you cast this spell. Distribute X +1/+1 counters among any number of target creatures.
"This is the fun part!" —Ib Halfheart, Goblin Tactician
Creatures with landwalk abilities can be blocked as though they didn't have those abilities.
"We found this staff useful on our visit to this very commission. Would Relicbane prefer we had been slain by Lim-Dûl's horrors?" —Arcum Dagsson, Soldevi Machinist
Timberline Ridge doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from Timberline Ridge. {T}: Add {R} or {G}. Put a depletion counter on Timberline Ridge.
Whenever a player attacks with one or more creatures, destroy all untapped non-Wall creatures that player controls that didn't attack, except for creatures the player hasn't controlled continuously since the beginning of the turn.
Until end of turn, target creature gains haste and "{0}: Untap this creature. Activate only once." Draw a card at the beginning of the next turn's upkeep.
"Our Elvish Hunter Taaveti led us swiftly along hidden paths through the dense forest. We caught the Orcs from behind, and completely by surprise." —Lucilde Fiksdotter, Leader of the Order of the White Shield
Veldt doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from Veldt. {T}: Add {G} or {W}. Put a depletion counter on Veldt.