Swiftblade Vindicator — ruling 1

If an attacking creature with double strike and trample destroys all of its blocking creatures with first-strike combat damage, all of its normal combat damage is assigned to the player or planeswalker that creature's attacking.

Swiftblade Vindicator : règles, fonctionnement et interactions (MTG)

Swiftblade Vindicator is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Double strike (This creature deals both first-strike and regular combat damage.) Vigilance (Attacking doesn't cause this creature to tap.) Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

How it works : Swiftblade Vindicator

Original English text — Wizards of the Coast / Scryfall

#1August 7, 2020· Wizards of the Coast
If an attacking creature with double strike and trample destroys all of its blocking creatures with first-strike combat damage, all of its normal combat damage is assigned to the player or planeswalker that creature's attacking.
No other card is named in this ruling.