koala yugioh card Sea - Phantom Darkness 2700 Defense Des Koala Card Profile :

The Ritual Beast Tamers, a band of Psychics who use their powers to commune with nature, teaming up with animals of land, sea, and air to form Fusion Monsters that can bounce to and from the Extra Deck as needed

Two mana for a 3/3 is aggressive, but you wont want to cast it until you have another mana available to drop a cheap 1/1 to keep it alive

OCG Duel Monsters - Creation Pack 04 Asia English Booster Box Out of stock YuGiOh

You can cast that card now that its in exile, though you have to use the proper mana to cast it, which is where the Treasure tokens come in

Its not the most powerful card in the world, but I could see it being useful in a Peasant Cube or Battle Box to reward players for dipping into multiple colors, plus the activated ability serves as a long-term win condition

The recent Film Red set Nami has jumped into the mix at #5