Settle the Score — ruling 1

If the target creature is an illegal target by the time Settle the Score tries to resolve, the spell doesn’t resolve. You won’t put loyalty counters on a planeswalker.

Settle the Score — ruling 2

Both loyalty counters must be put onto the same planeswalker.

Settle the Score — ruling 3

You don’t choose which planeswalker receives loyalty counters until Settle the Score resolves. If you don’t control a planeswalker, you’ll simply exile the target creature and not put loyalty counters on anything.

Settle the Score : règles, fonctionnement et interactions (MTG)

Settle the Score 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

Exile target creature. Put two loyalty counters on a planeswalker you control.

How it works : Settle the Score

Original English text — Wizards of the Coast / Scryfall

#1April 27, 2018· Wizards of the Coast
If the target creature is an illegal target by the time Settle the Score tries to resolve, the spell doesn’t resolve. You won’t put loyalty counters on a planeswalker.
No other card is named in this ruling.
#2April 27, 2018· Wizards of the Coast
Both loyalty counters must be put onto the same planeswalker.
No other card is named in this ruling.
#3April 27, 2018· Wizards of the Coast
You don’t choose which planeswalker receives loyalty counters until Settle the Score resolves. If you don’t control a planeswalker, you’ll simply exile the target creature and not put loyalty counters on anything.
No other card is named in this ruling.