Cost : This is a number in the top left corner of the card
If a face-up WATER monster you control leaves the field by an opponent's card, except by being destroyed (and except during the Damage Step): You can add to your hand or Special Summon, 1 "Icejade" monster from your Deck
Opt is low value, it is the weakest card quality card in the cube
In fact, my friend magneto1992 has played Gyarados for a while and he would suggest this list: While I dont agree with his counts, Im not qualified to criticize, so Ill let it stand
The only drawback is that each time you attach an energy to one of your Pokmon in this way, you have to put 2 damage counters on that Pokmon
Keep in mind that this test is more suited to those with enough experience and familiarity with Pokmon to find the exact card in an online database