one.piece booster box One Piece Card Game OP-16 The Time of Battle Japanese Cards with Character Designs One Piece TCG: The Azure

That might be because you copy a strong enters ability, like Territorial Aetherkite, or because two Stridehangar Automatons get out of control quickly

They offer the fun experience of cracking open booster packs, seeing shiny new cards for the first time, and put everyone on an equal playing field

no matter how many creatures enter that meet the requirement for these abilities, you only get one trigger

Cavern of Souls Listed at: $28 Cavern of Souls is a flavorful card of The Lost Caverns of Ixalan because of its name, but its a reprinted card that debuted in Avacyn Restored

As a mana doubler that comes with a dork, you get a huge advantage, one magnified when you play a turn-1 Llanowar Elves