Enigmaster Packbit [PHNI-EN042] Quarter Century Secret Rare

1 Tuner + 1+ non-Tuner monsters
If this card is Synchro Summoned, or sent to the GY: You can target 1 monster in your GY, or 1 face-up monster your opponent controls; discard 1 card, and if you do, place that monster in its owner's Spell & Trap Zone as a face-up Continuous Trap. During either player's turn, if this card is a Continuous Trap: You can Special Summon 1 face-up Monster Card from your Spell & Trap Zone. You can only use each effect of "Enigmaster Packbit" once per turn.