karlach mtg card Karlach, Fury of Avernus - Art Print + Trading Whenever you attack Karlach, Fury of Avernus |

The only drawback I see is that it only triggers once per turn, but it's still pretty sweet with other ones dinos like Etali, Primal Conqueror

In a similar vein, Immaculate Magistrate and Timberwatch Elf both provide massive power boosts, with one being permanent and the other temporary

Both are good cards in their own right despite being filler cards

Another thing to be wary of with counterspells in general although most notably with Actual Counterspell is that you can easily fall behind if relying on them as an answer to things

Sigil of the Empty Throne is a classic that rewards you for casting your auras by building a small army

Slot 12 Rare/Mythic Rare Slot Now we venture into the Big Finish Chapter