japanese pokemon cards box Ninja Spinner Booster (M4) Set out for a journey in the Paldea region Pokemon 151 Booster Box (Japanese)

Incessant Onslaught has some pretty insane abilities to scale into a very heavy swing late game, making it a handy tech into certain decks

For the Unknown Event cards, your best bet is probably to proxy any that have previously existed, though you might occasionally find a few on the secondary market

If Overseer of Vault 76 and one or more other creatures with power 3 or less enter the battlefield under your control at the same time, Overseer of Vault 76's first ability will trigger for each of them

There are spell-based decks to build in this format, and this is exactly the kind of card they need to cast multiple spells throughout the course of a game