Tempest

As an additional cost to cast this spell, sacrifice a creature. Spontaneous Combustion deals 3 damage to each creature.

{T}: Destroy target artifact or creature. That permanent's controller gains control of Starke of Rath. (This effect lasts indefinitely.)

Destroy target land.

Target creature can't block this turn. Draw a card.

Sudden Impact deals damage to target player equal to the number of cards in that player's hand.

Enchant creature Enchanted creature gets +3/+0 as long as it's attacking. Otherwise, it gets -2/-1.

Sacrifice two creatures: Create a 3/1 red Beast creature token named Carnivore.

Defender (This creature can't attack.) Wall of Diffusion can block creatures with shadow as though Wall of Diffusion had shadow.

When Wild Wurm enters the battlefield, flip a coin. If you lose the flip, return Wild Wurm to its owner's hand.