One problem faced by this card is his middle of the road nature, in the most hardcore combo decks that wan't an effect like this they will probably opt for the more robust Helm of Awakening and in the decks being more aggressive they will either elect for a better ramp card or a better threat
Blue is the most powerful color in Legacy to the point where Pyroblast, which counters or destroys blue cards, is one of the most played cards in the format
"Announcing Pioneer on MTG Arena"
The problem is how he compares to two other notable legends: Ezuri, Renegade Leader and Kamahl, Fist of Krosa
The Pokemon Trading Card Game has seen a massive spike in interest lately, and GameStop has been making a big effort to take advantage
FromTheShire: I generally don't care about ward 1 in Commander since people will generally have the mana to pay for it but it's not a bad effect