Force of Will

You may pay 1 life and remove a blue card in your hand from the game instead of paying Force of Will's casting cost. Effects that prevent or redirect damage cannot be used to counter this loss of life. Counter target spell.

Gurmag Angler

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Snuff Out

If you control a swamp, you may pay 4 life instead of paying Snuff Out's mana cost. Destroy target nonblack creature. It can't be regenerated.

Daze

You may return an island you control to its owner's hand instead of paying Daze's mana cost. Counter target spell unless its controller pays {1}.

Ponder

Dismember

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Gitaxian Probe

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Deathrite Shaman

{T}: Exile target land card from a graveyard. Add one mana of any color to your mana pool. {B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life. {G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

Stifle

Counter target activated or triggered ability. (Mana abilities can't be countered.)

Underground Sea

Counts as both swamp and islands and is affected by spells that affect either. Tap to add either {B} or {U} to your mana pool.

Tropical Island

Counts as both forest and islands and is affected by spells that affect either. Tap to add either {G} or {U} to your mana pool.

Winter Orb

Players can untap only one land each during untap phase. Creatures and artifacts are untapped as normal.

Death's Shadow

Death's Shadow gets -X/-X, where X is your life total.

Flooded Strand

Polluted Delta

Watery Grave

Brainstorm

Wasteland

Fatal Push

Island

({T}: Add {U}.)