Heavily synergizing with aggressive decks, Dolmen Gate can allow you to attack with mitigated consequences, which is always especially useful
Players can cast spells and activate abilities after the triggered ability resolves but before the spell that caused it to trigger does
You get Charizard, Pikachu, Gengar, all the OG crowd-pleasers
Certain strategies may actually suffer because a playset of lifegain creatures that draw more cards, like potential removal, arent really a joke
Secondly, you can use it to cycle artifacts in and out of the yard those with death or enter triggers, and those that affect all players on upkeeps
Hypno has the following abilities: Sleep Pendulum: Once during your turn, you may spli a coin