Niv-Mizzet, the Firemind

Flying Vigilance (Attacking doesn't cause this creature to tap.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and T as soon as it comes under your control.) At the beginning of the end step, sacrifice this creature.

Defender Put a -0/-1 counter on this creature: Add G. Activate only once each turn.

When this creature enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

T: Add C. 1W, T: Prevent all combat damage that would be dealt by target attacking creature this turn.

Flying Whenever this creature deals damage, you gain that much life. Morph 2WW (You may cast this card face down as a 2/2 creature for 3. Turn it face up any time for its morph cost.)

T: Add CC. Activate only if you control five or more lands.