Forum:Effect vs. Condition

I usually understand the difference between condition and effect, but there's one thing that confuses me:

Example: Quickdraw Synchron was summoned by Synchron Explorer, but can't be used for the synchro summon of any "generic" Level 7 Synchro monster (like Black Rose Dragon), even though it's effect was neated.

However, Blackwing - Vayu the Emblem of Honor can be used for every single synchro monster if it is summoned by Blackwing - Shura of the Azure Flame, even though Vayu states that it can't be used for a synchro summon.

Why is one an effect and the other one a condition? I don't really see much of a difference between the wordings of both cards. - BronzeJohnson (talk • contribs) 20:55, December 23, 2013 (UTC)