Players can't gain life.Damage can't be prevented.All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)
If Mossbridge Troll would be destroyed, regenerate it.Tap any number of untapped creatures you control other than Mossbridge Troll with total power 10 or greater: Mossbridge Troll gets +20/+20 until end of turn.
Enchant creatureAs long as enchanted creature is green, it gets +1/+1 and has indestructible. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)As long as enchanted creature is white, it gets +1/+1 and has flying.
At the beginning of your upkeep, if you have no cards in hand, each opponent loses 2 life.At the beginning of each opponent's upkeep, if that player has no cards in hand, they lose 2 life.
Enchant playerIf a card would be put into enchanted player's graveyard from anywhere, instead that card is revealed and put on the bottom of that player's library.
Ghastlord of Fugue can't be blocked.Whenever Ghastlord of Fugue deals combat damage to a player, that player reveals their hand. You choose a card from it. That player exiles that card.
FlyingIf a source would deal damage to Swans of Bryn Argoll, prevent that damage. The source's controller draws cards equal to the damage prevented this way.
Flying, vigilanceWhen Twilight Shepherd enters, return to your hand all cards in your graveyard that were put there from the battlefield this turn.Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
