Sol Ring

Island

Howling Mine

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

Serendib Efreet

Flying
At the beginning of your upkeep, this creature deals 1 damage to you.

Braingeyser

Plains

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

City of Brass

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

Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Tundra

Savannah Lions

Disenchant

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Ivory Tower

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Counterspell

Relic Barrier

Chaos Orb

{1}, {T}: If this artifact is on the battlefield, flip it onto the battlefield from a height of at least one foot. If this artifact turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy this artifact.

Control Magic

Enchant creature
You control enchanted creature.

Recall

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Mishra's Factory

{T}: Add {C}.
{1}: This land 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.

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Strip Mine

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

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)