Hell Geist

Landbond(When this creature enters the battle-
field, pair it with a land. Destroy the creature
if the land leaves play. When a land is played
you may change its pairing to that land. Then
either may gain an ability, as noted)
-Plains, it gains: {2}{w}: Add one -1/-1 counter to
Hell Geist, Exile target attacking creature.
-Mountain, it gains {2}{r}Add one -1/-1 counter
to have it do 3 damage to target creature
- Other: the land gains {1}{b},{t} target creature
gains Menace until end