Delvefall
Louisoix's Sacrifice

Louisoix's Sacrifice {U}

Instant

As an additional cost to cast this spell, sacrifice a legendary creature or pay {2}.
Counter target activated ability, triggered ability, or noncreature spell.

click a line to search just that ability, click more to combine them

extra filters

color identity, fits-within like deckbuilding: tick W and U and only white, blue, white-blue and colorless cards show. in the filter box: id:wu (or -id:rg to ban colors), or id:c for colorless only

$ to

price bounds, in the currency picked below. cards with no listed price are hidden by any price filter. in the filter box: usd<=5, eur>=1

the currency every price shows, filters and sorts in. it applies itself and the site remembers it. in the filter box usd and eur always mean themselves, a bare price<5 follows this switch

MV to

mana value bounds (converted mana cost). in the filter box: mv<=2, cmc>=4, both spellings work

the card's type line must contain this. the filter box takes any word, not just the list: t:legendary, t:aura, or -t:creature to exclude one

only legendary creatures, the cards that can lead a commander deck

hides cards on the official game changer list, for lower-powered brackets

cards that aren't legal in commander (banned and such) stay hidden unless this is on

Cards that do something similar expected a card that isn't here?

Tale's End
Tale's End 90%
$1.96#4741
"Counter target activated ability, triggered ability, or legendary spell."
Lash of the Balrog
Lash of the Balrog 86%
$0.14#7281
"As an additional cost to cast this spell, sacrifice a creature or pay {4}."
Betrayer's Bargain
Betrayer's Bargain 85%
$0.14#17563
"As an additional cost to cast this spell, sacrifice a creature or enchantment or pay {2}."
Bayou Groff
Bayou Groff 85%
$0.07#19280
"As an additional cost to cast this spell, sacrifice a creature or pay {3}."
Deny the Witch
Deny the Witch 83%
$0.91#9419
"Counter target spell, activated ability, or triggered ability. Its controller loses life equal to the number of creatures you control."
Voidslime
Voidslime 81%
$0.66#4492
"Counter target spell, activated ability, or triggered ability."
Disallow
Disallow 81%
$1.72#1820
"Counter target spell, activated ability, or triggered ability."
Ultimate Nullification
Ultimate Nullification 81%
#24981
"As an additional cost to cast this spell, sacrifice a legendary creature."