Hylda of the Icy Crown
Legendary Creature — Human Warlock
Whenever you tap an untapped creature an opponent controls, you may pay 
. When you do, choose one —
• Create a 4/4 white and blue Elemental creature token.
• Put a +1/+1 counter on each creature you control.
• Scry 2, then draw a card.
Ekaterina Burmak
Wilds of Eldraine Promos (PWOE)
• #206pRulings
Hylda of the Icy Crown's ability will trigger only when an effect instructs you to tap an opponent's creature. It won't trigger if a spell or ability you control instructs an opponent to tap a creature they control. For example, if you control Tangle Wire and an opponent taps an untapped creature they control as part of the resolution of Tangle Wire's triggered ability, Hylda's ability won't trigger.
(wotc • 2023-09-01)
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Rulings
Hylda of the Icy Crown's ability will trigger only when an effect instructs you to tap an opponent's creature. It won't trigger if a spell or ability you control instructs an opponent to tap a creature they control. For example, if you control Tangle Wire and an opponent taps an untapped creature they control as part of the resolution of Tangle Wire's triggered ability, Hylda's ability won't trigger.
(wotc • 2023-09-01)