Sire of Seven Deaths counts vigilance as one of its seven abilities, which puts first strike, reach, and lifelink on display for blocking and when you take the ward cost into account, this turns into a 14-life swing or better
Below you'll find the cards you need for the 'Wisdom of Sea and Sky Museum 4' secret mission: Shuckle ex #202 (Rainbow / Two Gold Star) Kingdra ex #203 (Rainbow / Two Gold Star) Lanturn ex #204 (Rainbow / Two Gold Star) Espeon ex #205 (Rainbow / Two Gold Star) Rewards: 36 Wonder Hourglasses, 12 Pack Hourglasses and 10 Shop Tickets
You always start with something since Iron Man makes a Treasure, which you can often transmute into a Sol Ring
Even if they do block, three toughness is enough to avoid a lot of early game threads (albeit not enough to put it out of range of a Lightning Bolt)
Valorous Stance can be good or bad depending on their list
So I rented the virtual TCG and began a lifelong addiction to trading card games like Hearthstone and Marvel Snap which dries my wallet to this very day