transformer mtg card Brothers' War Transformers Cards, Ranked Magic: The Gathering Secret Lair:

If you enchant your [c]Pestermite[/c] with [c]Splinter Twin[/c], then you can tap Pestermite to create a copy of itself, and each copy will untap the original Pestermite, and then you can repeat the process as many times as you want

There should be few good ways to deal with cards this expensive and not dealing with them should be devastating

Exile target Skeleton, Spirit, or Zombie

In fact, there were only a couple of instances where type was relevant from a rules standpoint

Bounce a card after the Aethermage's Touch resolves

Chatterfang is a versatile card that doubles your production by giving you extra Squirrel tokens whenever you create new tokens, while also serving as a potent sacrifice outlet