It's okay that Return of the WildspeakerReturn of the Wildspeaker costs five mana because you'll get the most use out of it later in the game, with a large creature on the battlefield and only a few cards (if any) left in your hand
Against an Articuno with a hat or a cape, Rotom can deal 70 damage a turn for just one energy
Elenda and Azor and The Locust God will churn out extra token creatures
Even if you took some damage to your opponent's Burn cards, or after they attacked you with a creature, with Vilis on the board, all this damage will become card draw, which is a great advantage
Emchompite notes that the tiny black circle at the bottom of the card signifies it has a common rarity
Verifiable odds: Published, checkable pull rates beat any marketing claim