Obsidian Charmaw [Modern Horizons 2 Prerelease Promos] SM74 Activate this ability only if

Activate this ability only if you have exactly seven cards in hand

Set: Summer Magic / Edgar Type: Enchantment — Aura Common Cost: {R} Enchant creature When Earthbind enters the battlefield

one must assassinate the previous king

Set: HeartGold & SoulSilver: Undaunted Type: Darkness Rarity: Promo Retreat cost: Colorless

As a standalone card game with 150 cards

Obsidian Charmaw [Modern Horizons 2 Prerelease Promos] SM74 Activate this ability only ifSet: Modern Horizons 2 Prerelease Promos Type: Creature Dragon Rarity: Rare Cost: {3}{R}{R} This spell costs {1} less to cast for each land your opponents control that could produce {C}. Flying WHen Obsidian Charmaw enters the battlefield, destroy target nonbasic land an opponent controls.