Unbound Flourishing (189) - Modern Horizons

Unbound Flourishing (189) - Modern HorizonsSet: Modern Horizons Type: Enchantment Rarity: Mythic Cost: {2}{G} Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X. Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

{R/G}: Target spell can't be countered

The Arbiter is a conduit of justice

infecting the land with his final curse

Set: Friday Night Magic 2001 Type: Instant Rarity: Rare Cost: {W} Exile target creature

If the player chooses others

Set: Zendikar Type: Legendary Creature — Angel Rarity: Mythic Cost: {6}{W}{W}{W} Flying

Set: Magic Player Rewards 2006 Type: Instant Rarity: Rare Cost: {R}{W} Lightning Helix deals 3 damage to any target and you gain 3 life

If you roll a 20

color: white

Its owner cracks it open to see what jewels it holds

untap all lands you control

Set: Planeshift Type: Creature — Zombie Rarity: Rare Cost: {1}{B}{B} Other Zombie creatures get +1/+1