Ponder [Secret Lair: Heads I Win, Tails You Lose] SH4 they may cast a spell

they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost

Set: EX: Legend Maker Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Saviors of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {1}{W} All artifacts have "At the beginning of your upkeep

Set: Revised Edition (Foreign Black Border) Type: Sorcery Rare Cost: {3}{W} Destroy all lands

put a +1/+1 counter on Yahenni

Ponder [Secret Lair: Heads I Win, Tails You Lose] SH4 they may cast a spellSet: Secret Lair: Heads I Win, Tails You Lose Type: Sorcery Rarity: Common Cost: {U} Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card. Tomorrow belongs to those who prepare for it today.