When Pursued Whale enters the battlefield, each opponent creates a 1/1 red Pirate creature token with "This creature can't block" and "Creatures you control attack each combat if able." Spells your opponents cast that target Pursued Whale cost 3 more to cast
Legendary Duelists: Soulburning Volcano - YuGiOh Card List and Prices
There're other characters like Zagorka, Sash and Waistcoat, and the three Numena I'd like to see as well, but given this is focusing on returning characters, those ones are probably for another article
I'll add on a follow-up post with more technical details once I know them, but for now I hope this helps you assess the battles you see during spoiler season
This effect is printed very sparingly
In contrast, competitive FPS games and 5v5 shooters lower the damage of specific weapons and tweak specific abilities