Leyline of Anticipation [Magic 2011] Merfolk Warrior or it will not come

or it will not come

sacrifice Conversion unless you pay {W}{W}

Force of Nature deals 8 damage to you unless you pay {G}{G}{G}{G}

Set: Commander Anthology Type: Creature — Human Cleric Rarity: Uncommon Cost: {W} {T}: Target creature you control gains protection from the color of your choice until end of turn

The player sacrifices that creature

Leyline of Anticipation [Magic 2011] Merfolk Warrior or it will not comeSet: Magic 2011 Type: Enchantment Rarity: Rare Cost: {2}{U}{U} If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield. You may cast spells as though they had flash.