pokemon booster box sun and moon & (SM1) Pack then seek out the Legendary Pokémon Solgaleo Pokemon Sun and Moon Booster

The Hakbal EDH precon introduced some pretty powerful ones, like Ripples of Potential and Wave Goodbye, but there are also counter aplifiers like Hardened Scales you should consider

The card holders can store up to 100 double-sleeved cards and feature strong magnetic closures so that your deck won't fall out everywhere

Flare of Fortitude Chief: This card does an amazing job protecting your permanents and your life total, which seems totally reasonable at four mana and absolutely cracked at the low cost of sacrificing a nontoken white creature

It's got flash, it counters a critter or artifact on arrival, and it's great

Syr Gwyn was picked so that I could reduce equip costs, draw cards, and use Sunforger to protect my investments