With this card, I honestly have no clue
BT4-067 U Digimon Lv.4 Sealsdramon Color Black Cost 5 DP 6000 Digivolve Cost 1 Black 2 from Lv.3 Form Champion Attribute Virus Type Cyborg/D-Brigade Card Text 1 [Effect] Blocker (When an opponent's Digimon attacks, you may suspend this Digimon to force the opponent to attack it instead.) [When Attacking] Lose 2 memory
Also, if you use a card that can exclude graveyard cards with a free chain like DD Crow , you must declare the card name because it cannot be confirmed even during the chain
Sealed product can appreciate over time if supply diminishes, but its also a gamble
The player who cast the aura will control it after it enters the battlefield, even if it targets a permanent they dont control or another player
After all, we're looking at 6+ new sets for Standard every year