Lifeline [Urza's Saga] Swamp Set: Legends Type: World Enchantment

Set: Legends Type: World Enchantment Rare Cost: {3}{B} Whenever a player casts a spell

Sacrifice Lotus Bloom: Add three mana of any one color

Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step

but not more life than the player's life total before the damage was dealt

you might as well trade it for something else

Lifeline [Urza's Saga] Swamp Set: Legends Type: World EnchantmentSet: Urza's Saga Type: Artifact Rare Cost: {5} Whenever a creature dies, if another creature is on the battlefield, return the first card to the battlefield under its owner's control at the beginning of the next end step.