Hour of Devastation: Vault of Catlacan does not convert X gems to Blue [As Designed]

Mcclaine

While playing the HoD event, I noticed that Vault of Catlacan was not converting X gems to blue at the beginning of my turn despite having supports in play.

On my turn, Storm the Vault flipped with 5 treasures and Rupturing Spire on the field. The following turn, I expected VoC to convert the proper amount of gems but it failed to activate entirely.

My opponent had a gem converter in play as it's sole support and did not appear to use any spell that would prevent VoC from activating.

I replicated this behavior an additional two turns before conceding but I'm out of charges to test further. It is possible I missed something though, given that I used StV last night and this morning with no issue.

For whatever reason, I can't seem to embed pictures using the editor, so I linked two pictures of the match I thought might be relevant below:

Supports in play: https://imgur.com/a/a54gF83

Storm the Vault flipped: https://imgur.com/a/ccABDYD

/Edited Title - Daiane 

Laeuftbeidir

Here's your answer,

This creature prevents all ramp

Mcclaine

So it does. I think I only paid attention to the power/defense increase of that card and overlooked the top line entirely; thanks.

Magic:PQ Support Team

Hi @Mcclaine, 

When Agrus Kos is on the battlefield, gems can't be converted, as Laeuftbeidir said.