: Sawback Manticore gains flying until end of turn.: Sawback Manticore deals 2 damage to target attacking or blocking creature. Activate only if Sawback Manticore is attacking or blocking and only once each turn.
Mountain Valley enters tapped., Sacrifice Mountain Valley: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.
You may choose not to untap Amber Prison during your untap step., : Tap target artifact, creature, or land. That permanent doesn't untap during its controller's untap step for as long as Amber Prison remains tapped.
Enchant red or green creatureCumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)You control enchanted creature.
Cast this spell only during combat after blockers are declared.Flip a coin. If you win the flip, target creature gets +1/+1 until end of turn.Draw a card at the beginning of the next turn's upkeep.
Lands you control are Plains.Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield.You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana.
Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another. (For example, you may change "nonblack creature" to "nongreen creature" or "forestwalk" to "islandwalk." This effect lasts indefinitely.)