CardName: Evervenge Phoenix
Cost: {2}{R}{W}{B}
Type: Creature - Phoenix
Pow/Tgh: 4/4
Rules Text: Flying, haste
Whenever another creature dies you may exile it from its
owner's graveyard. If you do may cast Evervenge Phoenix from
your graveyard, and then put a +1/+1 counter on it for each
exiled creature.
Flavour Text:
Set/Rarity: Multiverse Design Challenge Rare
Evervenge Phoenix
R
Creature – Phoenix
Flying, haste
Whenever another creature dies you may exile it from its owner's graveyard. If you do may cast Evervenge Phoenix from your graveyard, and then put a +1/+1 counter on it for each exiled creature.
See Challenge # 125.
I like how you blended this with Challenge # 124!