Rain of Filth [Urza's Saga]Set: Urza's Saga Type: Instant Rarity: Uncommon Cost: {B} Until end of turn, lands you control gain "Sacrifice this land: Add {B}." "When I say it rained, it was not small drops, but a thick, greasy drool pouring from the heavens." Urza, journal

you gain 20 life

Set: New Phyrexia Promos Type: Instant Rarity: Rare Cost: {B/P} ({B/P} can be paid with either {B} or 2 life

tap enchanted creature

Set: Portal Three Kingdoms Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

Set: Limited Edition Beta Type: Land — Plains Island Rarity: Rare ({T}: Add {W} or {U}

"To examine the causes of life

Soratami Ascendant

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

Whenever Goring Ceratops attacks

Set: Unlimited Edition Type: Land — Plains Island Rarity: Rare ({T}: Add {W} or {U}

you may pay {B}

Set: Legends Type: World Enchantment Rarity: Rare Cost: {2}{G}{G} All lands are 1/1 creatures that are still lands