Aside from a few cards here and there, the main difference between competitive Pioneer and competitive Explorer is that you cant play the Lotus Field combo deck in Explorer
However, its not likely to be a strong enough of a card to tempt players to add it to their deck
With the powerful card selection from Goblin Recruiter, Goblin Matron, Goblin Ringleader, Boggart Harbinger, and Muxus, Goblin Grandee, this might be the one typal deck which can consistently pull surprise wins from any board state
Valley Flamecaller's ability doesn't cause it to deal damage
Peer Through Time Turning our attention to another planeswalker which was intended to only show a small piece of a pre-Mending planeswalkers powers, we finally saw Teferi ascended as Teferi, Temporal Archmage