one piece romance dawn japanese booster box Kingdoms of Intrigue OP-04 English pack includes a Two Legends booster pack Japanese OP-09 Booster Box One

There are many sorcery speed discard spells in black, but minimal instant speed, so every effect that you can include in your deck like this will be a huge help

That is, unless of course you're talking about the classic card selection/draw enchantment, Sylvan Library

Card Name Type Legendary Enchantment Creature Saga Dragon Rarity Rare rules Text (As this Saga enters and after your draw step, add a lore counter.) I, II - Wings of Light - Put a +1/+1 counter on each other creature you control

Legality depends on the tournament format -- Spellbreaker Behemoth can be legal in some formats and banned or restricted in others

Understanding the differences can help take your print to the next level