User blog comment:ArmorDragoWizardDrum/SDW Deck Help: URGENT!/@comment-25004901-20160125061804/@comment-13526439-20160125155812

Oh my god the misinformation.... time to correct this nonsense.

When your drum is in battle, his AUTO ability activates in the Battle Play-timing.

Universal play-timing rules state that only two abilities can be placed on a single chain. ((Save CONT.Triggers))

Drum the Neo's effect is activated, and thus, this allows your opponent is play a [Counter]. Since it's in battle, Shalsana is a valid cast and your opponent chooses to do so. Since Garbel Anchor isn't a Continuous triggered ability, it cannot be activated in response as the chain is already locked. That being. Drum CL1, and Shalsana CL2.