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, the keyword "menace" means that a creature can't be blocked except by two or more creatures.
In Magic: The Gathering, the keyword "regenerate" allows a creature to avoid destruction by removing all damage from it and tapping it.
In Magic: The Gathering, the keyword "lifelink" means that whenever a creature with lifelink deals damage, its controller gains that much life.
In Magic: The Gathering, the keyword "menace" means that a creature can only be blocked by two or more creatures. This impacts gameplay strategies by making it harder for opponents to block the creature with menace effectively, forcing them to use more resources to deal with it.
In Magic: The Gathering, a "kicker" is an optional additional cost that can be paid when casting a spell. It allows the player to enhance the spell's effects or add extra abilities. Kicker impacts gameplay by giving players more strategic options and flexibility in how they use their cards.
I presume that you mean tournament packs. If so they are random.
If by best you mean most broken, then either Urza's Saga, Mirrodin, or Shadowmoor (that is by block not as much by set).
Whenever a creature with lifelink deals damage, (combat or otherwise) to a creature or player, you gain that much life.
No just NO. If you mean the card game it was based off of Magic: The Gathering by Wizards of the Coast
In Magic: The Gathering, exile refers to removing a card from the game entirely. This can impact gameplay by preventing the card from being used again, bypassing effects that would return it to the hand or graveyard. Exiling a card can also disrupt strategies that rely on specific cards being in play or in the graveyard.
a little house
It means one word that sums up both!