Launch Mishap

Counter target creature or planeswalker spell. Create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.")

Counter target creature spell. Create a 1/1 blue Spirit creature token with flying.

Converge — Create a 1/1 colorless Thopter artifact creature token with flying for each color of mana spent to cast this spell.

When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

Counter target creature or planeswalker spell. Venture into the dungeon. (Enter the first room or advance to the next room.)