mtg remove a counter draw a card Zameck Guildmage [Gatecrash Promos] mtg cards that remove counters

I'm hopeful that maybe Birthing Pod could power up some sweet combo-ish toolbox deck in the format, but I think there's a much higher risk that it is unplayable than of it breaking the format

At the beginning of each opponents upkeep, they lose 1 life and you put a -1/-1 counter on up to one target creature they control

Sheoldred, Whispering One

The challenge involved wanting the monster themes to matter without making it a typal set in the way the Onslaught and Lorwyn blocks had been

Cursed Mirror catches any relevant ETB effects upon hitting the battlefield, and it doesn't take much to get extra value out of it

apart from world-renowned collectors much of the info I've come across comes directly from 1992-era playtesters