Hexproof prevents a permanent from being the target of spells or abilities played by an opponent. Therefore you are free to destroy one of your own Hexproof creatures, but you would not be able to play it on an opponent's Hexproof creature.
Note that Banefire's ability to be uncounterable and unpreventable, do not bypass Hexproof, because Hexproof makes a creature an illegal target in the first place, you simply can't nominate it as Banefire's target no matter what you intend to pay for X.
In Magic: The Gathering, the keyword "hexproof" means that a creature or player cannot be the target of spells or abilities controlled by opponents.
In Magic: The Gathering, hexproof is an ability that protects a creature from being targeted by spells or abilities controlled by opponents. This means that opponents cannot directly target a creature with hexproof with spells or abilities that would affect it.
One way a player can effectively deal with a creature that has both hexproof and a counter on it in Magic: The Gathering is by using cards or abilities that can target all creatures or all opponents, as these effects can bypass hexproof. Additionally, cards that can remove counters from creatures or that can destroy or exile target creatures can also be effective in dealing with such a creature.
In Magic: The Gathering, the mechanic "hexproof" makes a creature or player unable to be targeted by spells or abilities controlled by opponents. This means that if a creature with hexproof has counters on it, opponents cannot target it with spells or abilities that would add or remove counters.
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.
One strategy to counteract hexproof abilities in Magic: The Gathering is to use cards that target all creatures or all opponents, as these can bypass hexproof. Another strategy is to use cards that force the opponent to sacrifice creatures or discard cards, as these effects can still affect creatures with hexproof. Additionally, cards that exile or bounce creatures can also be effective against hexproof creatures.
In Magic: The Gathering, shroud prevents a permanent from being targeted by spells or abilities, including its controller's. Hexproof, on the other hand, only prevents the permanent from being targeted by spells or abilities controlled by opponents.
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.
Hexproof is a keyword ability. Something with hexproof cannot be the target of spells or abilities your opponents control. Note that if you control a creature with hexproof, and then an opponent gains control of it, you can't target it anymore.
No, the destroy effect in Magic: The Gathering does not deal damage to the target. It simply removes the target from the game.
The hexproof counter mechanic in Magic: The Gathering makes a creature immune to being targeted by spells or abilities from opponents. This affects gameplay strategies by making it harder for opponents to remove or interact with the creature. Players must adapt their tactics by using non-targeted removal or abilities to deal with hexproof creatures. Card interactions may change as players need to find alternative ways to deal with hexproof creatures, such as using board wipes or effects that affect all creatures.
Official rulings for Shalai, Voice of Plenty in Magic: The Gathering state that she can give herself hexproof and can also give other creatures hexproof. For Hallar, the Firefletcher, the official rulings state that when you cast a kicked spell, Hallar gets a 1/1 counter and deals damage equal to the number of 1/1 counters on it to any target.