Krosan Cloudscraper

Whenever a Sliver deals combat damage to a creature, destroy that creature. It can't be regenerated.

Flying 1: This creature loses flying until end of turn. Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

Flying 1: This creature becomes the creature type of your choice until end of turn. 2UU, T: Choose a creature type. Each creature you control becomes that type until end of turn.

Morph 2U (You may cast this card face down as a 2/2 creature for 3. Turn it face up any time for its morph cost.) When this creature is turned face up, you may turn target creature with a morph ability face down.

Whenever a Beast enters, you may gain 3 life.

Haste T: Turn target face-down creature you control face up. At the beginning of the next end step, sacrifice it.

Double strike (This creature deals both first-strike and regular combat damage.)

Morph 3BB (You may cast this card face down as a 2/2 creature for 3. Turn it face up any time for its morph cost.) When this creature is turned face up, destroy target nonblack creature. It can't be regenerated.