Gwendolyn's Gambit

Choose up to one for each time you have cast your commander this game—
• Deal 4 damage to target creature.
• Pay twice X life, draw X cards.
• Gain control over target non-planeswalker
permanent until end of turn.
{bull} Creatures you control gain +2/+0 and first strike until end of turn.
When you cast your commander you may return Gwendolyn's Gambit to hand.