Shardless Agent [Eternal Masters] SM89 during damage calculation (Quick Effect):

during damage calculation (Quick Effect): You can discard this card

Special Summon 3 "Nightmare Archfiend Tokens" (Fiend-Type/DARK/Level 6/ATK 2000/DEF 2000) to your opponent's side of the field in Attack Position

The Battle of Chaos booster set contains 100* new cards:

Set: Eldritch Moon Type: Creature — Homunculus Rarity: Uncommon Cost: {1}{U} {T}: Add {C}

Set: Resale Promos Type: Legendary Creature — Giant Warrior Rarity: Rare Cost: {2}{R}{W} Lifelink

Shardless Agent [Eternal Masters] SM89 during damage calculation (Quick Effect):Set: Eternal Masters Type: Artifact Creature Human Rogue Rarity: Rare Cost: {1}{G}{U} Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)