Kolaghan Aspirant — ruling 1

If Kolaghan Aspirant becomes blocked by multiple creatures, its ability will trigger once for each of them.

Kolaghan Aspirant — ruling 2

The damage Kolaghan Aspirant deals because of its triggered ability isn’t combat damage. If that damage causes each creature blocking it to leave combat, Kolaghan Aspirant will remain blocked. It won’t be dealt combat damage in this case.

Kolaghan Aspirant : règles, fonctionnement et interactions (MTG)

Kolaghan Aspirant 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

Whenever this creature becomes blocked by a creature, this creature deals 1 damage to that creature.

How it works : Kolaghan Aspirant

Original English text — Wizards of the Coast / Scryfall

#1February 25, 2015· Wizards of the Coast
If Kolaghan Aspirant becomes blocked by multiple creatures, its ability will trigger once for each of them.
No other card is named in this ruling.
#2February 25, 2015· Wizards of the Coast
The damage Kolaghan Aspirant deals because of its triggered ability isn’t combat damage. If that damage causes each creature blocking it to leave combat, Kolaghan Aspirant will remain blocked. It won’t be dealt combat damage in this case.
No other card is named in this ruling.