Seedborn Muse [Commander Collection Green] BT7-098_PR when a Special Summoned monster

when a Special Summoned monster activates its effect while you have a "Shaddoll" card in your hand: You can negate the activation

Set: Arabian Nights Type: Creature — Human Rogue Rarity: Uncommon Cost: {R} {R}: Tap target Wall

"I write upon clean white parchment with a sharp quill and the blood of my students

or monster effect is activated: This card loses exactly 500 ATK and DEF and that activation is negated

Seedborn Muse [Commander Collection Green] BT7-098_PR when a Special Summoned monsterSet: Commander Collection Green Type: Creature Spirit Rarity: Rare Cost: {3}{G}{G} Untap all permanents you control during each other player's untap step. "The land echoes our intentions, and the kami echo the land. We must strive to live in harmony with the world even when it seems to rise against us." Diary of Azusa