: Look at the top three cards of your library, then put them back in any order.
: Draw a card, then put Sensei's Divining Top on top of its owner's library.

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

Draw three cards, then put two cards from your hand on top of your library in any order.

Search your library for an artifact or enchantment card and reveal that card. Shuffle your library, then put the card on top of it.

, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card and put it onto the battlefield. Then shuffle your library.

When Rest in Peace enters the battlefield, exile all cards from all graveyards.
If a card or token would be put into a graveyard from anywhere, exile it instead.

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same converted mana cost as the revealed card.

Put all creatures on the bottom of their owners' libraries.
Miracle

You may pay 1 life and exile a blue card from your hand rather than pay Force of Will's mana cost.
Counter target spell.

, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card and put it onto the battlefield. Then shuffle your library.

Prevent all damage that would be dealt to you by sources you don't control.
When a card is put into your graveyard from anywhere, sacrifice Energy Field.

All creatures lose all abilities and are 1/1.

When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent.
When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.

, : Target opponent puts cards from the top of his or her library into his or her graveyard until a creature card or X cards are put into that graveyard this way, whichever comes first. If a creature card is put into that graveyard this way, sacrifice Helm of Obedience and put that card onto the battlefield under your control. X can't be 0.

As Pithing Needle enters the battlefield, name a card.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

: Add to your mana pool.
, : Add , , or to your mana pool.

Counter target spell.

(Seat of the Synod isn't a spell.)
: Add to your mana pool.

: Add to your mana pool. Ancient Tomb deals 2 damage to you.

: Add to your mana pool.
, , Sacrifice a land: Destroy target nonbasic land.

Creatures with power greater than the number of cards in your hand can't attack.

At the beginning of your upkeep, destroy all artifacts and enchantments. They can't be regenerated.

Destroy target artifact or enchantment.

If an opponent cast three or more spells this turn, you may pay rather than pay Mindbreak Trap's mana cost.
Exile any number of target spells.

Counter target noncreature spell unless its controller pays .