Genex Ally Axel [STBL-EN099] Secret Rare Spellcaster Set: Stardust Overdrive Card type:

Set: Stardust Overdrive Card type: Effect Monster Rarity: Secret Rare Attack: 1800 Defense: 1500 Once per turn

this effect becomes that Trap Card's effect when that card is activated

Special Summon 1 LIGHT or DARK monster from your hand or Extra Deck with the same original Type and Level

When your opponent activates a card or effect (Quick Effect): You can return 1 Xyz Monster you own attached to this card to your Extra Deck

except "Exosister Pax"

Genex Ally Axel [STBL-EN099] Secret Rare Spellcaster Set: Stardust Overdrive Card type:Set: Starstrike Blast Card type: Synchro Effect Monster Rarity: Secret Rare Attack: 2600 Defense: 2000 1 "Genex" Tuner + 1 or more non Tuner monsters. Once per turn, you can discard 1 card to select 1 Level 4 or lower Machine Type monster from your Graveyard, and Special Summon it. The ATK of that monster is doubled until the End Phase, but it cannot attack your opponent directly. Remove that monster from play during your End Phase.