Heliosphere Dragon is a Common Effect Monster card from Yu-Gi-Oh! (Primal Origin, PRIO). Current market price: $0.11.
Common
Primal Origin (PRIO)
Card Text
While your opponent has 4 or less cards in their hand and this card is the only monster you control, your opponent cannot declare an attack. Once per turn, if you control a Level 8 Dragon-Type monster: You can make this card become Level 8 until the end of this turn.
