(1) When your opponent activates a monster effect: Banish 1 Fusion Monster you control (until the End Phase), and if you do, negate the activation, and if you do that, destroy that card, then, if you have 3 or more different Monster Types on your field, you can return all Spells and Traps your opponent controls to the hand
It could be really strong if you are playing a deck with ,any ETB Energy gainers
The precon's main themes are swirled together with our commander, Aesi, Tyrant of Gyre Strait: Aesi, Tyrant of Gyre Strait is an insane value engine, both ramping and drawing you an absurd amount of cards with minimal effort
3 Stoneforge Mystic An iconic creature across multiple formats, Stoneforge Mystic lets you tutor up a piece of equipment and put it into your hand
The important thing is that these creatures are good mana sinks and they're flexible enough to see play or to leave your opponents guessing about what abilities you might activate