Midnight Banshee [Modern Masters 2015] 43a you may attach Obsidian Battle-Axe

you may attach Obsidian Battle-Axe to it

Set: Sun & Moon: Unbroken Bonds Type: Colorless Rarity: Uncommon Retreat cost: 0

Set: EX: Sandstorm Type: Colorless Rarity: Uncommon Retreat cost: 0

Set: Legendary Collection 4: Joey's World Card type: Effect Monster Rarity: Common Attack: 1000 Defense: 700 This card can make a second attack during each Battle Phase

Set: Revised Edition Type: Enchantment — Aura Rarity: Common Cost: {G} Enchant land

Midnight Banshee [Modern Masters 2015] 43a you may attach Obsidian Battle-AxeSet: Modern Masters 2015 Type: Creature Spirit Rarity: Rare Cost: {3}{B}{B}{B} Wither (This deals damage to creatures in the form of 1 1 counters.) At the beginning of your upkeep, put a 1 1 counter on each nonblack creature. Many have heard the beginning of its low, sustained shriek but few the end.