At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional . If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana...
Cast this spell only if you control a snow land.Cumulative 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.)Creatures with flying don't untap during their controllers' untap steps.
Balduvian Hydra enters with X +1/+0 counters on it.Remove a +1/+0 counter from Balduvian Hydra: Prevent the next 1 damage that would be dealt to Balduvian Hydra this turn.: Put a +1/+0 counter on Balduvian Hydra. Activate only during your upkeep.
Green creatures can't attack unless their controller sacrifices a land of their choice for each green creature they control that's attacking. (This cost is paid as attackers are declared.)
Whenever you lose life, for each 1 life you lost, sacrifice a permanent other than Oath of Lim-Dûl unless you discard a card. (Damage dealt to you causes you to lose life.): Draw a card.
As Lost Order of Jarkeld enters, choose an opponent.Lost Order of Jarkeld's power and toughness are each equal to 1 plus the number of creatures the chosen player controls.
Defender (This creature can't attack.): Snow Fortress gets +1/+0 until end of turn.: Snow Fortress gets +0/+1 until end of turn.: Snow Fortress deals 1 damage to target creature without flying that's attacking you.