Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature of their choice.
Whenever you sacrifice a green creature, you may gain 2 life.
"Nature's most raw beauty is the circle: perfect in its continuance, with no break between death and life."
Savra itself doesn't let you sacrifice creatures. Its abilities trigger whenever you sacrifice a black or green creature because some other spell, ability, or cost instructed you to do so.
12-01-2024
wotc
Sacrificing a creature that's both black and green will make both abilities trigger. You may put them on the stack in whichever order you want.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.