Souls of the Lost
Creature - Spirit
| Power/Toughness:
* / *+1
(CMC 2)
As an additional cost to cast this spell, discard a card or sacrifice a permanent.
Fathomless descent -- Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1.
- [LCI] Lost Caverns of Ixalan #121 (R)