"The Dark", attacking (4)
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.
: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.
Attacking creatures get +1/+1 until end of turn.
, : Target attacking creature gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, sacrifice Runesword. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature dealt damage by the targeted creature would die this turn, exile that creature instead.
Gatherer works better in the Companion app!