As mentioned earlier, fighting isnt attacking or blocking either, so even if both creatures have trample, no excess damage will be dealt to either player
Similar to how the sport of "running" has different "events" such as the 100m, 200m, or 400m, the game of Magic also has different formats decided by Wizards
One example is Heroic Intervention, a defensive green instant that grants hexproof and indestructible to all friendly creatures
A staple of Commander decks, Deadeye Navigator is one of the best ways to keep a high-value creature alive without needing a handful of counterspells
This five mana white 3/3 with flying and double strike grants you hexproof
Graded Population Report: Starting Town [Foil] #289 Visualize the distrbution of grades in the chart