star eater is affected by the summoning of tokens

lil dragon777: it was summond this turn
lil dragon777: Must be Synchro Summoned, and cannot be Special Summoned by other ways. This card's Synchro Summon cannot be negated. When Synchro Summoned, cards and effects cannot be activated. If this card attacks
lil dragon777: see it atk so you cant activate nothing
lil dragon777: dude i won
Jossein: What is it?
lil dragon777: star eater was summond this turn and i atk but he activated scapgoet
lil dragon777: Must be Synchro Summoned, and cannot be Special Summoned by other ways. This card's Synchro Summon cannot be negated. When Synchro Summoned, cards and effects cannot be activated. If this card attacks
lil dragon777: it atk first two
#BlueEyesWhiteDragon: i actviated scrapegoat after star eater attack
Jossein: Star Eater simply prevents cards and effects from being activated in response to its Summon.
lil dragon777:  If this card attacks, it is unaffected by other card effects until the end of the Damage Step.
Jossein: It's basically Bottomless/Torrential (and other similar cards)-proof but that's about it.
Jossein: And Scapegoat does not affect Star Eater in any way.
lil dragon777: but i syncro summond it this turn
Jossein: So?
lil dragon777: . When Synchro Summoned, cards and effects cannot be activated.
Jossein: Yes.
Jossein: It doesn't last for the entire turn.
Jossein: If it did, it would say so.
lil dragon777: fine
Jossein: Like I said; Star Eater is Bottomless-proof, and that's it.