Catalyst Stone [Odyssey] Magic Player Rewards 2005 Set: Future Sight Type: Instant

Set: Future Sight Type: Instant Rare Cost: {0} Search your library for a green creature card

Set: Zendikar Type: Creature — Elemental Rare Cost: {3}{U}{U}{U} Flying Landfall — Whenever a land enters the battlefield under your control

" —Mencius

If that card's converted mana cost is less than or equal to the sacrificed artifact's converted mana cost

Then that player loses all unspent mana and you add the mana lost this way

Catalyst Stone [Odyssey] Magic Player Rewards 2005 Set: Future Sight Type: InstantSet: Odyssey Type: Artifact Rare Cost: {2} Flashback costs you pay cost up to {2} less. Flashback costs your opponents pay cost {2} more. The gems' incandescence invades the dreams of all who see them.