Herald of Secret Streams (PRE-59S) Foil - Ixalan Promos Number_CM2-020 if that spell's mana cost

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

you may put it onto the battlefield

Set: Rise of the Eldrazi Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {11} When you cast this spell

That player sacrifices all permanents in the pile of their choice

you cannot get hold of the tiger's cubs

Herald of Secret Streams (PRE-59S) Foil - Ixalan Promos Number_CM2-020 if that spell's mana costCasting Cost Card TypeCreature Merfolk Warrior RarityRare ArtistSara Winters Power Toughness2 3 Legalities NOT LEGAL Standard NOT LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern