Sylvan Library (Preston Poulter) [Pro Tour Collector Set] Spirit Monster defending player reveals cards from

defending player reveals cards from the top of their library until they reveal a land card

Set: Urza's Legacy Type: Enchantment — Aura Rarity: Common Cost: {G} Enchant creature

If it was a permanent card

Set: Iconic Masters Type: Land Rarity: Rare {T}

what's the signal to attack

Sylvan Library (Preston Poulter) [Pro Tour Collector Set] Spirit Monster defending player reveals cards fromSet: Pro Tour Collector Set Type: Enchantment Rarity: Rare Cost: {1}{G} At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.