1 Tuner + 1+ non-Tuner monsters
If this card is Synchro Summoned: You can send Insect and/or Plant monsters from your Deck to the GY up to the number of non-Tuners used for its Synchro Summon. If you control this Synchro Summoned card: You can target 1 Insect or Plant monster you control; treat it as a Tuner until the end of this turn. You can only use each effect of "Diabolantis the Menacing Mantis" once per turn.
NM-Mint 1st Edition - $0.10
Lightly Played 1st Edition - $0.10
Moderately Played 1st Edition - $0.10
Heavily Played 1st Edition - $0.10
Damaged 1st Edition - $0.10
NM-Mint 1st Edition Non English - $0.10
Lightly Played 1st Edition Non English - $0.10
Moderately Played 1st Edition Non English - $0.10
Heavily Played 1st Edition Non English - $0.10
Damaged 1st Edition Non English - $0.10