Catalyst Stone [Odyssey] Arena League 2004 put a -1/-1 counter on

put a -1/-1 counter on target creature

Set: Fourth Edition Type: Artifact Rare Cost: {2} Whenever a land enters the battlefield

Set: Friday Night Magic 2000 Type: Creature — Snake Rare Cost: {1}{G} Islandwalk (This creature can't be blocked as long as defending player controls an Island

Set: Amonkhet Prerelease Promos Type: Creature — Bird Wizard Rare Cost: {2}{W} Flash Flying If an opponent would search a library

If there are no mining counters on Gemstone Mine

Catalyst Stone [Odyssey] Arena League 2004 put a -1/-1 counter onSet: 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.