Time Bomb [Fifth Edition] Keith Set: Sun & Moon: Burning

Set: Sun & Moon: Burning Shadows Type: Psychic Rarity: Uncommon Retreat cost: Colorless

Set: Dark Neostorm Card type: Normal Spell Rarity: Super Rare Fusion Summon 1 Fusion Monster from your Extra Deck that lists a "Destiny HERO" monster as material

Set: Battle Academy 2022 Type: Fire Rarity: Uncommon

Sea Serpent and Aqua-Type monsters gain 400 ATK

it can attack an opponent's monster again in a row

Time Bomb [Fifth Edition] Keith Set: Sun & Moon: BurningSet: Fifth Edition Type: Artifact Rarity: Rare Cost: {4} At the beginning of your upkeep, put a time counter on Time Bomb. {1}, {T}, Sacrifice Time Bomb: Time Bomb deals damage equal to the number of time counters on it to each creature and each player.