Timesifter [Mirrodin] Eventide Players discard cards and sacrifice

Players discard cards and sacrifice creatures the same way

Sacrifice Font of Fertility: Search your library for a basic land card

To a siegehorn

Set: Shadows over Innistrad Prerelease Promos Type: Creature — Vampire Wizard Rarity: Rare Cost: {2}{B}{B} {1}

They're regarded not as animals but as forces of nature

Timesifter [Mirrodin] Eventide Players discard cards and sacrificeSet: Mirrodin Type: Artifact Rarity: Rare Cost: {5} At the beginning of each upkeep, each player exiles the top card of their library. The player who exiled the card with the highest converted mana cost takes an extra turn after this one. If two or more players' cards are tied for highest cost, the tied players repeat this process until the tie is broken.