Beastking of the Swamps

Level 4 WATER/Aqua Effect Monster
1000 ATK / 1100 DEF

You can substitute this card for any 1 Fusion Material Monster. When you do this, the other Fusion Material Monster(s) must be the correct one(s).

Rulings – Yugipedia

Printings:

Tournament Pack: 1st Season: TP1-014 (Rare) - 2002-09-01
Tournament Pack: 1st Season: TP1-E014 (Rare) - 2002-09-01
Tournament Pack 5: TP5-EN014 (Common) - 2004-11-01
Gold Series 4: Pyramids Edition: GLD4-EN005 (Common) - 2011-06-24

Prices:

Cardmarket: 3.99 €
TCGplayer: $ 4.07