Mysterious Triangle is a Common Spell Card card from Yu-Gi-Oh! (Crimson Crisis, CRMS). Current market price: $0.37.
Common
Crimson Crisis (CRMS)
Card Text
Destroy 1 monster on the field with an A-Counter. Then, you can Special Summon 1 Level 4 "Alien" monster from your Deck. Destroy it during the End Phase.
