Siren's Call [Limited Edition Beta] 171 Set: Promo Finish: Rainbow Foil

Set: Promo Finish: Rainbow Foil Type: Hero Rarity: Promo Class: Wizard Life: 30 Intellect: 4 Instant - [3 Resource]: Look at the top card of your deck

Set: Sun & Moon: Team Up Type: Fairy Rarity: Holo Rare Retreat cost: Colorless

Set: Sun & Moon: Celestial Storm Type: Water Rarity: Holo Rare Retreat cost: Colorless

but its effects are negated

Siren's Call [Limited Edition Beta] 171 Set: Promo Finish: Rainbow FoilSet: Limited Edition Beta Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.