Catalyst Stone [Odyssey] Magic Player Rewards 2005 {T}: Prevent all combat damage

{T}: Prevent all combat damage that would be dealt by target attacking creature this turn

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

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

add {C}{C} instead

Set: Battle for Zendikar Promos Type: Creature — Elemental Mythic Cost: {1}{G}{G} If damage would be dealt to Undergrowth Champion while it has a +1/+1 counter on it

Catalyst Stone [Odyssey] Magic Player Rewards 2005 {T}: Prevent all combat damageSet: 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.