mtg cards that double counters DOUBLE POISON DOISON! Historic Arena hello there Slogurk, the Overslime | Innistrad:
Description
However, since it doubles any counter, it doubles even if you bring 20 Dark Depths and your opponent puts a -1/-1 counter on you with Wither
A turn one Ragavan, Nimble Pilferer is a must answer threat that can take the game over if unchecked for some turns
I'm leaving the Wikipedia link here
Let's look at why
