Once per turn, during either player's turn: You can banish 1 "Laval" monster from your Graveyard; this card gains 300 ATK until the End Phase.
Laval Cannon is able to Special Summon banished “Laval” monsters back to the Field. You can further banish Kayenn, the Master Magma Blacksmith to increase this monster’s ATK by 400.
All the listed “Laval” monsters can be banished in order to increase this monster’s ATK.
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