Underground Sea

Elves of Deep Shadow

{T}: Add {B}. Elves of Deep Shadow deals 1 damage to you.

Llanowar Elves

Lord of Atlantis

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Time Walk

Berserk

Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

Birds of Paradise

Gloom

White spells cost {3} more to cast.
Activated abilities of white enchantments cost {3} more to activate.

Regrowth

Return target card from your graveyard to your hand.

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Pendelhaven

{T}: Add {G}.
{T}: Target 1/1 creature gets +1/+2 until end of turn.

Island

Serendib Efreet

Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

Ancestral Recall

Erhnam Djinn

At the beginning of your upkeep, target non-Wall creature an opponent controls gains forestwalk until your next upkeep. (It can't be blocked as long as defending player controls a Forest.)

Mox Sapphire

Sandstorm

Sandstorm deals 1 damage to each attacking creature.

Mox Emerald

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Tranquility

Mox Jet

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Giant Growth

Target creature gets +3/+3 until end of turn.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Control Magic

Enchant creature
You control enchanted creature.

Sol Ring

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Merfolk of the Pearl Trident

Scavenger Folk

{G}, {T}, Sacrifice Scavenger Folk: Destroy target artifact.

Bayou

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Tropical Island

Library of Alexandria

{T}: Add {C}.
{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Forest

Shanodin Dryads

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Fallen Angel

Flying
Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn.

Energy Flux

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."