Mana Crypt

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.

Plateau

Sliver Queen

{2}: Create a 1/1 colorless Sliver creature token.

Volcanic Island

Tropical Island

Taiga

Scrubland

Savannah

Bayou

Badlands

Tundra

Underground Sea

Serra's Sanctum

{T}: Add {W} for each enchantment you control.

Gaea's Cradle

{T}: Add {G} for each creature you control.

City of Traitors

When you play another land, sacrifice City of Traitors.
{T}: Add {C}{C}.

Island of Wak-Wak

{T}: Target creature with flying has base power 0 until end of turn.

Elephant Graveyard

{T}: Add {C}.
{T}: Regenerate target Elephant.

Lake of the Dead

If Lake of the Dead would enter, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {B}.
{T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.