Universal Surveillance

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Draw X cards.

War Report

You gain life equal to the number of creatures on the battlefield plus the number of artifacts on the battlefield.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
{T}, Pay 2 life: Add one mana of any color.

Draw X cards, then discard X cards. Create a 1/1 white Spirit creature token with flying for each card type among cards discarded this way.

Untap any number of target creatures. Prevent all combat damage that would be dealt to and dealt by those creatures this turn.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.