Royal meeting

Each player may tap a legendary creature they
control. Each player who chose to tap a legendary
creature in this way chooses up to 2 colors from
that creature's color identity. They gain effects
based on the chosen colors as shown below:
•White: you gain 3 life.
•Black: Put a -1/-1 counter on target creature.
•Blue: Delude 1.
{bull}Red: Deal 2 damage to any target.
{bull}Green: Put a +1/+1 counter on target creature.