Warstorm Surge [Streets of New Capenna Commander] Mirrodin Besieged if that spell's mana cost

if that spell's mana cost is {3}{U}{U}

if you control an artifact

search your library for a card with that name

Set: Commander 2020 Type: Legendary Creature — Nightmare Hydra Rarity: Mythic Cost: {1}{B}{G}{U} Deathtouch

Whenever Fell Flagship deals combat damage to a player

Warstorm Surge [Streets of New Capenna Commander] Mirrodin Besieged if that spell's mana costSet: Streets of New Capenna Commander Type: Enchantment Rarity: Rare Cost: {5}{R} Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target. "Listen to the roar! Feel the thunder! The Immersturm shouts its approval with every bolt of lightning!"