Dragunity Knight - Gae Dearg [STBL-EN098] Secret Rare Android 21 while a monster is equipped

while a monster is equipped to it by this effect

Special Summon 1 "Mystic Swordsman LV4" from your hand or Deck

When this card is destroyed by your opponent's card and sent to the Graveyard: You can Special Summon 1 Spellcaster-Type monster from your hand or Deck whose Level is less than or equal to the number of "Spellbook" Spell Cards in your Graveyard

cardboard damage counters and GX counter

Set: Shonen Jump Magazine Promos Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 0 "Cyber Dragon" + 1 or more Machine-Type monsters

Dragunity Knight - Gae Dearg [STBL-EN098] Secret Rare Android 21 while a monster is equippedSet: Starstrike Blast Card type: Synchro Effect Monster Rarity: Secret Rare Attack: 2400 Defense: 800 1 Dragon Type Tuner + 1 or more non Tuner Winged Beast Type monsters Once per turn, during your Main Phase, you can add 1 Level 4 or lower Dragon Type or Winged Beast Type monster from your Deck to your hand. Then discard 1 Dragon Type or Winged Beast Type monster.