Riven Turnbull

Except for creatures named Akron Legionnaire and artifact creatures, creatures you control can't attack.

Choose one — • Target player gains X life. • Prevent the next X damage that would be dealt to any target this turn.

This creature can't be blocked by creatures with power 3 or greater.

As this enchantment enters, choose a color and an opponent. White creatures get +1/+1 as long as the chosen color is the most common color among nontoken permanents the chosen player controls but isn't tied for most common. When the chosen color isn't the most common color among nontoken permanents the chosen player controls or is tied for most common, sacrifice this enchantment.

Destroy all black creatures.

T: This creature deals 1 damage to target attacking or blocking creature.

Destroy target artifact or enchantment.

This enchantment enters with two intervention counters on it. At the beginning of your upkeep, remove an intervention counter from this enchantment. When you remove the last intervention counter from this enchantment, the game is a draw.