Panther Warrior [CT2-EN006] Secret Rare F-20 then if any monsters were

then if any monsters were sent to the Graveyard by this effect

You can not Summon other monsters the turn you activate this card (but you can Normal Set )

You can also Xyz Summon this card by using a Rank 5 or 6 Xyz Monster you control as the Xyz Material

Monster Effect : If a card(s) you control is destroyed by battle or card effect: You can Special Summon this card from your hand

If this cards attacks

Panther Warrior [CT2-EN006] Secret Rare F-20 then if any monsters wereSet: 2005 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 2000 Defense: 1600 The card cannot attack unless you tribute 1 monster on your side of the field.