TCGenius.ai
Exosister Betrayal
Continuous Spell
When this card is activated: Add 2 "Exosister" monsters from your Deck to your hand, then discard 1 card. You can target 1 face-up monster you control; immediately after this effect resolves, Normal Summon 1 "Exosister" monster mentioned on that monster. If a monster(s) is sent to your opponent's GY, even during the Damage Step: You can activate this effect; your opponent banishes 1 of them. You can only use each effect of "Exosister Betrayal" once per turn.
Is it legal?
TCGUnlimited (3)
OCGUnlimited (3)
Master DuelUnlimited (3)
Rarity: Ultra Rare (UR)
Genesys18 points
Price
About $0.16–$0.19 across printings and stores (as of Oct 9, 2026). See listings on TCGplayer · eBay · Cardmarket (EU)
Price history & alerts
Played in tournaments
In 2 recent tournament lists, mostly Exosister (2).
Printings
| Set | Code | Rarity |
|---|---|---|
| Battles of Legend: Glorious Gallery | BLGG-EN130 | Starlight Rare |
| Battles of Legend: Glorious Gallery | BLGG-EN130 | Ultra Rare |
| Burst Protocol | BPRO-EN066 | Super Rare |
Build a deck around Exosister Betrayal
Genny reads every card ever printed, builds a legal deck around this one, grades it against the current meta, and the simulator can test it hundreds of times.
Build with this card