Flavian Gladiator Colosseum

This card comes in tapped.
{c}, {t}: Add a warrior creature with an additional type with a color on the creature spell used to pay this cost from your library.
Once per turn cycle if an opponent declare a attacker at you, you may put into play a warrior type creature with an additional type from your hand or graveyard to the field and that card gains indestructible and haste till the end of the turn.
Once per turn if you were to put into play a warrior type creature spell with an additional type you ma