Nirria, Legion's Pureflame

When Nirria, Legion's Pureflame enters the battlefield, choose one:
* Deal 3 damage to any target and you gain 3 life.
* Creatures you control get +1/+1 and have
vigilance.
* Soldier, Knight, and Warrior spells cost {1} less.
Choose all if you pay {2}.
"Choose well, choose wisely;
for when you go to battle, it will be the choices you
make that will determine victory."