digimon bt3 card list BT-03 Cards - Union Impact BT3-030 (DCG) - Wikimon -

When Summoned this way: Your opponent can target 1 Level 4 monster in either player's Graveyard

In the VRAINS campaign, when you go up against The Gore, the computer seems to prefer to go second if they win rock-paper-scissors, so use that opportunity to your advantage

all monsters your opponent currently controls lose 1000 ATK until the end of this turn

The Superheavy Samurai package is comparable to P.U.N.K

Fill Uthros, Titanic Godcore (Borderless - Galaxy Foil) with enough creatures and you can get blue mana for every artifact you have

So from what we can tell, someone is sitting on it waiting for Digimon to pop