Can be used if your Life Points are 1000 or less. Until the end of the opponent's next turn ends, for one time only, you do not have to spend Life Points to activate a card. This Skill can only used once per Duel.
Life Cost 0 is the most recommended skill viable for a specific deck like Ultimate Cyber-Stein. However, this skill might never get on top of the tier. A very unique skill in current skill pool of duel links’s.
Step 1. Get this Skill
Step 2. Unlock Yami Marik (Near Impossible)
Step 3. Beat Yami Yugi with him to obtain Ra
Step 4. In a duel, use Ra’s effect to make your life points 100 and it’s Attack Points 3900. Thanks to this skill, you can destroy all of your opponent’s monsters without paying the 1000 LP it usually costs. You can also use some attack boosting spell or trap and your opponent is done for