Aggressive Mining

You can't play lands.
Sacrifice a land: Draw two cards. Activate only once each turn.

Defense Grid

Each spell costs {3} more to cast except during its controller's turn.

Leyline of Singularity

If this card is in your opening hand, you may begin the game with it on the battlefield.
All nonland permanents are legendary.

Trinisphere

As long as this artifact is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

Grid Monitor

Bazaar Trader

{T}: Target player gains control of target artifact, creature, or land you control.

Damping Engine

A player who controls more permanents than each other player can't play lands or cast artifact, creature, or enchantment spells. That player may sacrifice a permanent of their choice for that player to ignore this effect until end of turn.

Stiltzkin, Moogle Merchant

Lifelink
{2}, {T}: Target opponent gains control of another target permanent you control. If they do, you draw a card.

Zedruu the Greathearted

At the beginning of your upkeep, you gain X life and draw X cards, where X is the number of permanents you own that your opponents control.
{U}{R}{W}: Target opponent gains control of target permanent you control.