charmeleon pokemon card full art - 005/165 - Pokemon 151 - Reverse Foil Violet 151 Singles 🎮 Charmeleon playing Gameboy Advance

Typically the kinds of deck that want coverall counterspells also want to leave mana up to be reactive, having to tap five mana in your upkeep will make the turns following a Pact of Negation deeply uncomfortable until you have lots and lots of mana

Blue creature decks often desire equipment to give their weaker guys a bit more presence on the board and Kira has poor synergy with them which is critical in deck building

As does Ulrich of the Krallenhorde

Exploit means When this creature enters, you may sacrifice a creature. 702.110b: A creature with exploit exploits a creature when the controller of the exploit ability sacrifices a creature as that ability resolves.

Some planes will let you draw cards, while others can destroy everything in play when you encounter it