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.
Thornwatch Scarecrow has wither as long as you control a green creature. (It deals damage to creatures in the form of -1/-1 counters.)Thornwatch Scarecrow has vigilance as long as you control a white creature.
TrampleWhen Woodfall Primus enters, destroy target noncreature permanent.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.)
Whenever Witherscale Wurm blocks or becomes blocked by a creature, that creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)Whenever Witherscale Wurm deals damage to an opponent, remove all -1/-1 counters from it.
When Murderous Redcap enters, it deals damage equal to its power to any target.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.)
Grief Tyrant enters with four -1/-1 counters on it.When Grief Tyrant dies, put a -1/-1 counter on target creature for each -1/-1 counter on Grief Tyrant.
Wither (This deals damage to creatures in the form of -1/-1 counters.)Whenever Slinking Giant blocks or becomes blocked, it gets -3/-0 until end of turn.
Enchant creatureEnchanted creature can't attack or block, and its activated abilities can't be activated.Whenever a creature an opponent controls enters, you may attach Prison Term to that creature.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)Crowd of Cinders's power and toughness are each equal to the number of black permanents you control.