If the sacrifice is a cost, then no. That'd be like paying one mana, and claiming it can be used for two different one mana abilities. Each cost needs its own payment.
Sometimes an effect triggers when something is sacrificed. In that case, one sacrifice will trigger all of them.
Yes, in Magic: The Gathering, you can activate creature abilities at instant speed during a game.
No, you cannot use creature abilities as instants during your turn in a game of Magic: The Gathering.
Yes, you can sacrifice a creature at any time in Magic: The Gathering as long as you have a card or ability that allows you to do so.
Yes, in a game of Magic: The Gathering, you can sacrifice an opponent's creature if a card or ability allows you to do so.
The "Song of the Dryads" card in Magic: The Gathering turns a creature into a Forest land. The enchanted creature loses all abilities and becomes a basic Forest with no abilities.
Yes, you can use creature abilities during your opponent's turn in Magic: The Gathering.
In Magic: The Gathering, "annihilator" forces opponents to sacrifice permanents when a creature with this ability attacks, while "hexproof" makes a creature immune to being targeted by spells or abilities controlled by opponents.
In Magic: The Gathering, a creature's abilities can change or be enhanced until the end of the turn through various spells, abilities, or effects. These changes are temporary and only last until the end of the current turn.
When a creature with the ability "can't be the target of spells or abilities" in Magic: The Gathering is targeted by a spell or ability, the spell or ability will not affect that creature. This means the spell or ability will have no effect on the creature with that ability.
Creature abilities in Magic: The Gathering can be used at any time you have priority, unless the ability specifically states otherwise.
In Magic: The Gathering, hexproof means a creature can't be targeted by spells or abilities your opponents control. Shroud means a creature can't be targeted by any spells or abilities, including your own.
Yes, in Magic: The Gathering, there are cards and abilities that allow you to regenerate a sacrificed creature, bringing it back from the graveyard to the battlefield with a certain amount of health or toughness.