Harmonic Sliver [Mystery Booster] Nightmare Squirrel other creatures you control get

other creatures you control get +X/+X until end of turn

When Capture Sphere enters the battlefield

Kellan made sure Akul couldn't follow them out

Set: Secret Lair Drop Series Type: Legendary Creature — Phyrexian Horror Minion Rarity: Rare Cost: {4}{B/P}{B/P}{B/P} ({B/P} can be paid with either {B} or 2 life

Harmonic Sliver [Mystery Booster] Nightmare Squirrel other creatures you control getSet: Mystery Booster Type: Creature Sliver Rarity: Uncommon Cost: {1}{G}{W} All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment." "Since the last sliver arrived, even our mightiest relics splinter into shards as soon as we bring them against the hive." Llanach, Skyshroud ranger