If youre running a deck with blue permanents to spare, this becomes a powerful card that swings games
The massive amount of token output from Hero and Saheeli, Sublime Artificer, capped off by the potential finishing power of Heroic Reinforcements, seems powerful to me
The odds on this are very, very low: as laid out in the offering rates, getting a gold card from any pack you open has the following odds associated with it: Cards 1-3: 0% Card 4: 0.040% Card 5: 0.160% Wonder Picks
With a 1/3 body and mana value of three, it ETBs and then digs six cards into your library for a sweet instant, sorcery, or Dragon and then the rest head to the bottom of your deck
Yes, instants may be able to target planeswalkers, as long as the target conditions are met
They are random, not-that-expensive, and very reprintable Modern and Standard cards