Iymrith, Desert Doom — ruling 1

If a spell or ability an opponent controls targets Iymrith, Desert Doom while it is tapped, finding a way to untap it in response will not cause its ward ability to trigger.

Iymrith, Desert Doom — ruling 2

If a player casts a spell that targets multiple permanents their opponent controls with ward, each of those ward abilities will trigger. If that player doesn't pay for all of them, the spell will be countered.

Iymrith, Desert Doom : règles, fonctionnement et interactions (MTG)

Iymrith, Desert Doom 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

Flying Iymrith has ward as long as it's untapped. Whenever Iymrith deals combat damage to a player, draw a card. Then if you have fewer than three cards in hand, draw cards equal to the difference.

How it works : Iymrith, Desert Doom

Original English text — Wizards of the Coast / Scryfall

#1July 23, 2021· Wizards of the Coast
If a spell or ability an opponent controls targets Iymrith, Desert Doom while it is tapped, finding a way to untap it in response will not cause its ward ability to trigger.
No other card is named in this ruling.
#2July 23, 2021· Wizards of the Coast
If a player casts a spell that targets multiple permanents their opponent controls with ward, each of those ward abilities will trigger. If that player doesn't pay for all of them, the spell will be countered.
No other card is named in this ruling.