As for gameplay, players with black mana tend to tutor for combo pieces to make their decks more consistent, though Commander players might also use it since it's difficult to draw a specific card in that format
This also opens the door for new cards to be handed out as prizes or as collector's items
So having a card that will allow you to just add cards to your hand, with no repercussions and, at the time, no counterability, is incredibly powerful
Reverse Jar Type Flip Effect Monster Attribute EARTH Typing Rock Level/Rank 3 ATK 800 DEF 900 Archetype Jar Typings Flip / Effect TCG Date 2022-05-19 OCG Date 2022-01-15 Card Text FLIP: Change as many other monsters on the field as possible to face-down Defense Position, then, return as many face-up Spells/Traps as possible from the field to the hand, then, each player can Set Spells/Traps from their hand, up to the number returned to their own hand by this effect
Then, place A Counters on monsters on the field equal to the number of cards returned by this effect
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