Cover of Darkness [Onslaught] Iconic Masters that player sacrifices a permanent

that player sacrifices a permanent unless they pay {1}

Set: Planeshift Type: Instant Rarity: Rare Cost: {W} Kicker {W} (You may pay an additional {W} as you cast this spell

If it's a land card

Set: Beta Edition Type: Creature — Troll Rarity: Rare Cost: {2}{R} Sedge Troll gets +1/+1 as long as you control a Swamp

Feedback deals 1 damage to that player

Cover of Darkness [Onslaught] Iconic Masters that player sacrifices a permanentSet: Onslaught Type: Enchantment Rarity: Rare Cost: {1}{B} As Cover of Darkness enters the battlefield, choose a creature type. Creatures of the chosen type have fear. (They can't be blocked except by artifact creatures and or black creatures.)