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

Counter target spell. At the beginning of your next main phase, add to your mana pool, where X is that spell's converted mana cost.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with converted mana cost 1 or less, reveal that card, and put it into your hand. If you do, shuffle your library.

Counter target spell with converted mana cost 2.

( can be paid with either or 2 life.)
Counter target spell with converted mana cost 1.

As Cavern of Souls enters the battlefield, choose a creature type.
: Add to your mana pool.
: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type and that spell can't be countered.

, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card and put it onto the battlefield. Then shuffle your library.

: 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.

Flash
Flying
When Vendilion Clique enters the battlefield, look at target player's hand. You may choose a nonland card from it. If you do, that player reveals the chosen card, puts it on the bottom of his or her library, then draws a card.

: Return target artifact card with converted mana cost 1 or less from your graveyard to your hand.

: Add to your mana pool.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
: Add to your mana pool.

: Add to your mana pool.

, Sacrifice Æther Spellbomb: Return target creature to its owner's hand.
, Sacrifice Æther Spellbomb: Draw a card.

Flash
Flying
If an opponent would search a library, that player searches the top four cards of that library instead.

: Add to your mana pool.

Sunburst
, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.

: Add to your mana pool for each artifact you control.

: Add to your mana pool.

, Sacrifice Black Lotus: Add three mana of any one color to your mana pool.

Creature cards can't enter the battlefield from graveyards or libraries.
Players can't cast cards in graveyards or libraries.

: Add to your mana pool.

: Add to your mana pool.

Take an extra turn after this one.

Counter target instant or sorcery spell unless its controller pays .
Storm

Draw three cards. Then discard two cards unless you discard an artifact card.

Target player draws three cards.

Choose one - counter target artifact spell; or return target artifact to its owner's hand.

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

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.

, , Discard a card: Destroy target artifact or enchantment.

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.

, Sacrifice Tormod's Crypt: Exile all cards from target player's graveyard.

Destroy target artifact or enchantment.