Regardless, the seven cards you draw can change the course of the game
Eye of Nidhogg may enchant a permanent that is only temporarily a creature, such as a Vehicle
There's a secret mode here where you target your own land to trigger landfall, so that ability has more utility than you'd think, and you also get a big hasty creature
If youre still holding on with your Riolu for at least another turn, the aptly named Reckless Charge is a decent attack dishing out 50 HP of damage, but be warned: it also inflicts 20 HP of damage to Riolu itself
Sunscourge Champion is fine with Panharmonicon but worse than it looks because generally you want to cast Sunscourge Champion on Turn 3, which happens to be the turn before Panharmonicon hits the battlefield
That isn't the only case of it happening either