CardName: Great Old Wyrm
Cost: {4}{R}{R}{R}
Type: Creature - Dragon
Pow/Tgh: 6/4
Rules Text: Flying
When Great Old Wyrm enters the battlefield or attacks, flip
a coin for each Mountain you control. For each flip you win,
up to one Mountain you control becomes a 3/2 red Elemental
until end of turn. It's still a land.
Flavour Text: Folk horror plane
Set/Rarity: temporary storage Rare
Great Old Wyrm
R
Creature – Dragon
Flying
When Great Old Wyrm enters the battlefield or attacks, flip a coin for each Mountain you control. For each flip you win, up to one Mountain you control becomes a 3/2 red Elemental until end of turn. It's still a land.
while envisioned as the obligatory dragon in the folk horror plane, it could probably be used in almost any set