(or Magic: The Gathering, for example), you are required to invest a lot of money if you want to play a top tier deck
When a monster effect is activated while you control "Ancient Warriors - Virtuous Liu Xuan" (Quick Effect): You can send 1 face-up "Ancient Warriors" Continuous Spell/Trap you control to the GY
At first, they didn't even look at it because they couldn't do anything if they took control, but after it became available as a Synchro material, it jumped out into the environment
it gains 500 ATK/DEF until the end of your opponent's turn
So either you'll be stuck grinding for hours or get lucky in winning, doing it over and over until you can manage to save some DP and construct a better deck to use, which will make battles easier
[2] During your Main Phase: You can destroy this card, and if you do, place 1 "Supreme King Gate" Pendulum monster from your Deck into your Pendulum Zone, except "Supreme King Gate Sorcerer"