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Describe the Bug:
AI uses Hermetic Study to enchant my creature and deal damage to me with my creature! which is also tapped!!

Which card did behave improperly ?
Hermetic Study

Which Version did you use ?(Constructed, Limited)and which update(date,name)
Manalinkall-beta

What exactly should be the correct behavior/interaction ?
AI can't enchant my creature with Hermetic Study and deal damage to me.

Are any other cards possibly affected by this bug ?

confirmed, the only ability that trigger is the return to hand when enchanted creature go from the battlefield to the graveyard, neither the infect nor the bugged state of banding work.

confirmed, funny this bug feel like a glimpse of Soul Seizer // Ghastly Haunting from Dark Ascension

Describe the Bug:
Goblin Welder does not tap when using its effect.

Which card did behave improperly ?
Goblin Welder

Which Version did you use ?(Constructed, Limited)and which update(date,name)
no 2k limit beta

What exactly should be the correct behavior/interaction ?
Goblin Welder should be tapped after using its ability.

Are any other cards possibly affected by this bug ?
Other creatures with tap abilities?

victim of night can kill target "Werewolf or Vampire or Zombie" but not "none of them"

I confirm the bug there is one more that Garruk Relentless loses a counter and transforms when you use it's ability to bolt-deal 3 damage although it has 0 cost.

I confirm this bug and there is 2 more.
1)When you target opponent's artifact he sacrifices it and he(AI) chooses which to put on battlefield.
2)The artifact returns to my battlefield instead of players selected (AI).

The blank legacy is a general engine issue recently fixed by Mok, and was already reported.

Fixed.

Fixed (I hope, this is like the 9th fix of this card. If you haven't coded a card yet, you couldn't understand how it's terrible to code cards like this).

It was that Infect bug, it works now.

Let's make a wish that we don't hear for this card again,Gargaroz.

Fixed.

Fixed.

Missing subtype in CSV, even in the newest one. Fixed.