Life from the Loam [Ravnica: City of Guilds] Khans of Tarkir Sacrifice it when you lose

Sacrifice it when you lose control of Krovikan Vampire

you may pay {2}{W}

Each feather in its tail is a souvenir of an exotic land

Set: Tenth Edition Type: Enchantment Rarity: Rare Cost: {1}{R}{R}{R} If a source would deal damage to a permanent or player

They only specify the consequences should you fail

Life from the Loam [Ravnica: City of Guilds] Khans of Tarkir Sacrifice it when you loseSet: Ravnica: City of Guilds Type: Sorcery Rarity: Rare Cost: {1}{G} Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)