This is usually worth going for to protect cards like Cavendish or Nami, keeping an attacker in play that can draw you a card when he goes for the attack
You found my dream, Gavin. Thrasios is a really fun example of a card that we really collaborated with Square Enix on, Verhey said
That cost makes it unreliable in the competitive meta, leaving the SIR to slide as collectors adjust expectations
It also costs higher than all of the set's full art cards
However, any effect that raises or lowers power and/or toughness (such as the effect created by Giant Growth, Glorious Anthem, or a +1/+1 counter) will continue to apply
First strike is a blessing for turning this on in a relevant way regardless of which side of the board it is on