CardName: Slain Summoner
Cost: {G/B}
Type: Creature - Elf Zombie
Pow/Tgh: 1/1
Rules Text: {T}: Add {B}{G} to your mana pool. Use this mana only as a
cost for flashback or unearth.
Flavour Text:
Set/Rarity: Multiverse Design Challenge Common
Slain Summoner
C
Creature – Elf Zombie
: Add to your mana pool. Use this mana only as a cost for flashback or unearth.
For Challenge # 107
Reminiscent of Altar of the Lost. Though that was worded annoyingly specifically.