White Sun’s Twilight

You gain X life. Create X 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and “This creature can’t block.” If X is 5 or more, destroy all other creatures. (Players dealt combat damage by a creature with toxic 1 also get a poison counter.)

Artillery Blast

Domain — Artillery Blast deals X damage to target tapped creature, where X is 1 plus the number of basic land types among lands you control.

Eiganjo, Seat of the Empire

: Add .
Channel — , Discard Eiganjo, Seat of the Empire: It deals 4 damage to target attacking or blocking creature. This ability costs less to activate for each legendary creature you control.

Scoured Barrens

Scoured Barrens enters the battlefield tapped.
When Scoured Barrens enters the battlefield, you gain 1 life.
: Add or .