Unbound Flourishing [Modern Horizons]

Unbound Flourishing [Modern Horizons]Set: 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.

Sin is debt

{1}{R}: Two-Headed Dragon gets +2/+0 until end of turn

Acquisitor deals combat damage to a player

Set: Ninth Edition Type: Enchantment Rare Cost: {2}{G}{G} Sacrifice a creature: Draw cards equal to the sacrificed creature's power

Set: Revised Edition Type: Sorcery Rare Cost: {3}{W} Destroy all lands

counter Temporal Extortion

"You've strayed

Set: Fourth Edition Type: Enchantment Rare Cost: {1}{B} Black creatures get +1/+1

Set: Arabian Nights Type: Land Rare Cost: {T}: Target creature with flying has base power 0 until end of turn

Set: Legends Type: Artifact Rare Cost: {6} Sword of the Ages enters the battlefield tapped

you may pay {1} any time you could cast an instant

Set: Zendikar Type: Artifact Mythic Cost: {5} Creatures you control get +1/+1 and have flying and indestructible