TributeTribute is a static ability that functions as the creature with tribute is entering the battlefield. “Tribute N” means “As this creature enters, choose an opponent. That player may put an additional N +1/+1 counters on it as it enters.”
Objects with tribute have triggered abilities that check “if tribute wasn’t paid.” This condition is true if the opponent chosen as a result of the tribute ability didn’t have the creature enter the battlefield with +1/+1 counters as specified by the creature’s tribute ability. (CR 702.104) 6 (As this creature enters, an opponent of your choice may put six +1/+1
countersTo counter a spell or ability is to cancel it: remove it from the stack without resolving it. A counter on an object or player is instead a marker that changes characteristics or interacts with rules or abilities; for example, a +1/+1 counter modifies a creature’s power and toughness. (CR 701.6; 122.1) on it.)
When this creature enters, if
tributeTribute is a static ability that functions as the creature with tribute is entering the battlefield. “Tribute N” means “As this creature enters, choose an opponent. That player may put an additional N +1/+1 counters on it as it enters.”
Objects with tribute have triggered abilities that check “if tribute wasn’t paid.” This condition is true if the opponent chosen as a result of the tribute ability didn’t have the creature enter the battlefield with +1/+1 counters as specified by the creature’s tribute ability. (CR 702.104) wasn't paid, you may have this creature
fightA spell or ability may instruct a creature to fight another creature or it may instruct two creatures to fight each other. Each of those creatures deals damage equal to its power to the other creature.
If one or both creatures instructed to fight are no longer on the battlefield or are no longer creatures, neither of them fights or deals damage. If one or both creatures are illegal targets for a resolving spell or ability that instructs them to fight, neither of them fights or deals damage.
If a creature fights itself, it deals damage to itself equal to twice its power.
The damage dealt when a creature fights isn’t combat damage. (CR 701.14) another target creature. (Each deals damage equal to its power to the other.)