Bounty of the Luxa — ruling 1

If Bounty of the Luxa somehow has multiple flood counters on it, you'll still get only {C}{G}{U} when you remove them all.

Bounty of the Luxa — ruling 2

If Bounty of the Luxa leaves the battlefield while its triggered ability is on the stack, you can't remove any flood counters from it, even if it had one before it left the battlefield. You won't put one on it as the ability resolves, but you will draw a card.

Bounty of the Luxa : règles, fonctionnement et interactions (MTG)

Bounty of the Luxa 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

At the beginning of your first main phase, remove all flood counters from this enchantment. If no counters were removed this way, put a flood counter on this enchantment and draw a card. Otherwise, add .

How it works : Bounty of the Luxa

Original English text — Wizards of the Coast / Scryfall

#1April 18, 2017· Wizards of the Coast
If Bounty of the Luxa somehow has multiple flood counters on it, you'll still get only when you remove them all.
No other card is named in this ruling.
#2April 18, 2017· Wizards of the Coast
If Bounty of the Luxa leaves the battlefield while its triggered ability is on the stack, you can't remove any flood counters from it, even if it had one before it left the battlefield. You won't put one on it as the ability resolves, but you will draw a card.
No other card is named in this ruling.