Prevention effects can only prevent the trample damage that is assigned to a creature. There are many ways to prevent damage that would be dealt to or by a creature.

Does fight damage trample?

702.19a Trample is a static ability that modifies the rules for assigning an attacking creature’s combat damage. The ability has no effect when a creature with trample is blocking or is dealing noncombat damage. (See rule 510, “Combat Damage Step.”) Trample matters only for combat damage, so it would not.

Does trample roll over indestructible?

Even though the resulting damage won’t destroy the indestructible creature, it still has to be assigned and that damage will stay marked on the creature for the rest of the current turn. That last bit matters if you have multiple attack steps or if the creature with trample also has double strike.

How to prevent all noncombat damage in magic?

Target player shuffles their graveyard into their library. Prevent all combat damage that would be dealt this turn. Prevent all noncombat damage that would be dealt to you and creatures you control. Whenever a nontoken creature enters the battlefield under your control, create a 2/2 white Unicorn creature token.

How to prevent a creature from doing damage?

Prevent the next 3 damage that would be dealt to target creature this turn. Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures. : Prevent the next 2 damage that would be dealt to target artifact creature this turn.

How does sacrifice Ajani’s aid prevent combat damage?

Sacrifice Ajani’s Aid: Prevent all combat damage a creature of your choice would deal this turn. , : Prevent all damage that would be dealt to you this turn by attacking creatures without flying. • Target player gains X life. • Prevent the next X damage that would be dealt to any target this turn. Defender (This creature can’t attack.)

How does sacrifice burrenton forge-tender prevent all damage?

Sacrifice Burrenton Forge-Tender: Prevent all damage a red source of your choice would deal this turn. If a source would deal 3 or less damage to Callous Giant, prevent that damage. Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group.