Thena is a MARVEL SNAP card that costs 2 energy and has 0 power. It has the effect: "After each turn, +3 Power if you played (exactly) 2 cards."
It has variants that are part of the Francesco Tomaselli, Casual, ARTTREE STUDIO and Dan Hipp categories.
Thena has synergy with Kitty Pryde, Iron Man, Agent Venom, Angela and Cosmo.