No, only from your hand. They can be special summoned from graveyard by cards like Monster Reborn if they were properly summoned initially before they went there. However you can't resummon them from the graveyard with their Ritual Spell Card.
His initial special summon must be from hand, using the text on his card. If you do this correctly, and he then goes to the graveyard, you can special summon him back to the field with cards like Call of the Haunted. If however the summon is negated, or he is simply discarded to the graveyard, you cannot special summon him from the graveyard by any means. Nor can an external effect special summon him from hand, it must be his own.
Special summon Quickdraw Synchron discarding Level Eater, special summon Level Eater from the graveyard, then sync them. Level Eater -- 1 star If this card is in the Graveyard, you can activate its effect by selecting 1 face-up Level 5 or higher monster you control. Reduce that monster's Level by 1. Special Summon this card from the Graveyard. This card cannot be Tributed except for a Tribute Summon. Quickdraw Synchron -- 5 star You can send 1 monster from your hand to the Graveyard and Special Summon this card from your hand. You can substitute this card for any 1 "Synchron" Tuner for a Synchro Summon. This card cannot be used as a Synchro Material Monster, except for the Synchro Summon of a monster that lists a "Synchron" monster as a Tuner monster.
No, unless specifically stated otherwise on the card, a monster's special summon requires it to be summoned from your hand, or in the case of Synchro and XYZ monsters, from the Extra Deck.Plaguespreader Zombie can special summon itself from the graveyard because it says it can. But you cannot use for example, the special summon requirements on Chaos Sorcerer, or an XYZ monster, while they are in the graveyard.
It can be normal summoned with 2 tributes, and special summoned by any card's effect, excluding those that summon from the graveyard, since his card effect forbids that.
only if the monster has been summoned to the field, and the summon was not negated. also, if the card says 'this can only be -insert summon type- summoned by -insert ritual/Special summon info- ritual summon only (this card can only be ritual summoned by) -Only ritual summon Special summon only(This card can only be Special summoned by) -Only special summon, hope this helps.
No. The special summon text of cards like Scrap Orthros only apply while the card is in hand, unless stated otherwise.
Relinquished is Ritual Summoned with the Ritual Spell Card Black Illusion Ritual. It requires a monster as a Tribute to Special Summon Relinquished from your Hand. Once Relinquished is successfully Ritual Summoned, if it is sent to the Graveyard, it is eligible to be Special Summoned from it. You cannot Special Summon Relinquished from the Graveyard unless it was successfully Ritual Summoned first.
No. Unless specifically stated otherwise, a card's special summon text is to summon it from the hand only. Chaos Emperor Dragon requires the owner to remove one Light and one Dark monster to summon it from his hand, but it cannot be done while it is in the graveyard, and especially, the opponent cannot do it.
Follow the instructions on his card. You must have at least one monster in your graveyard, and to pay the summoning cost, you must return all monsters in your graveyard to deck. Then place Exodius on the field, and that's him summoned.
Unless stated otherwise (Plaguespreader Zombie for example) a monster's special summon is done from hand only. Lava Golem must be in your hand, for you to be able to special summon it using the listed text on the card.
No. Vanguard of the Dragon's card lore clearly states that it can only Special Summon a "...Dragon-Type Normal Monster from either player's Graveyard."