Viola Furiosa, Raging Fell Dragon of Endless Strife

Ability

■ Instant Action: [DR 3 and discard this from your hand.] Draw 1 card.
Abyssal Concerto - Requirement: Select a total of 5 {Darkness} cards from among your graveyard and removed cards (which are cards that have been removed from the game). These must include at least 1 card each of levels 0, 1, 2, and 3. Put the selected cards on the bottom of your deck in any order.
■ "Glimpse of Insanity": You may use this ability when this is Abyssal Summoned. Look at your opponent's hand and select 1 card from among them. Your opponent discards it.

"You seek to eliminate madness from the world to protect your precious sanity. But what value does sanity hold without its opposite?" (2022GB05-016) There is no way to end true madness. (GPREN-014 PR)