Helm of Possession [Tempest] Frog Horror Set: Shadowmoor Type: Legendary Creature

Set: Shadowmoor Type: Legendary Creature — Merfolk Rogue Rarity: Rare Cost: {U/B}{U/B} At the beginning of each end step

its power and toughness are each equal to the number of Forests you control

Set: Visions Type: Land Rarity: Rare {T}: Add one mana of any color

Whenever a Mountain is tapped for mana

Helm of Possession [Tempest] Frog Horror Set: Shadowmoor Type: Legendary CreatureSet: Tempest Type: Artifact Rarity: Rare Cost: {4} You may choose not to untap Helm of Possession during your untap step. {2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.