Spacegate is a Mosaic Rare Trap Card card from Yu-Gi-Oh! (Battle Pack 2: War of the Giants, BP02). Current market price: $0.10.
Mosaic Rare
Battle Pack 2: War of the Giants (BP02)
Card Text
Each time a monster your opponent controls attacks or is attacked, place 1 Gate Counter on this card at the end of the Damage Step. During your Main Phase: You can send this card to the Graveyard; Special Summon 1 monster from your hand whose Level is less than or equal to the number of Gate Counters on this card.
