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
If they have another effect or are cheap enough to use, they can be good choices
Once Upon a Time is an absolute slam dunk in Amulet Titan and also saw success in Mono-Green Tron this weekend, and I doubt anyone thinks that it will be limited to big mana strategies
Is it possible to print tokens
While the life loss and gain synergy provides incremental advantage, there are better cards with similar effects, such as Zulaport Cutthroat or Blood Artist, which have lower mana costs and provide more immediate impact
Very cool place and the thebpeople there are extremely friendly