Here is the Jeskai Lessons card list based on tournament data from the last two months in Standard (193 entries across 49 tournaments, 56.7% winrate).
MAIN DECK (core, 90%+ presence):
- Accumulate Wisdom x4 (100%)
- Firebending Lesson x4 (100%)
- Combustion Technique x4 (100%)
- Jeskai Revelation ~x4 (100%)
- Riverpyre Verge ~x3-4 (100%)
- Abandon Attachments ~x3-4 (100%)
- It'll Quench Ya! ~x2 (99%)
- Tablet of Discovery x4 (98%)
- Great Hall of the Biblioplex ~x4 (98%)
- Iroh's Demonstration ~x2 (97%)
- Spirebluff Canal ~x3-4 (95%)
- Gran-Gran ~x4 (93%)
- Stock Up ~x3-4 (93%)
- Sundown Pass ~x1 (90%)
MAIN DECK (flex, 50-75% presence):
- Mistrise Village x1 (71%)
- Improvisation Capstone x1 (56%)
- Flashback x1 (55%)
LANDS (core):
- Steam Vents ~x4 (100%)
- Hallowed Fountain ~x3 (98%)
- Island ~x2-3 (100%)
SIDEBOARD (core, 80%+):
- Flashfreeze ~x1-2 (99%)
- Price of Freedom ~x4 (91%)
- Slagstorm ~x1-2 (90%)
- Emeritus of Ideation // Ancestral Recall ~x2 (87%)
- Spell Pierce ~x2 (77%)
SIDEBOARD (flex, 40-65%):
- Ral, Crackling Wit x1 (64%)
- Broadside Barrage ~x1-2 (57%)
- Fire Magic ~x1 (55%)
- Disdainful Stroke ~x1 (44%)
- Soul-Guide Lantern ~x1 (41%)
- Return the Favor ~x1 (37%)
Sources: Data from 54 Standard tournaments (Apr 15 - Jun 15, 2026), split 50% MTGO / 50% Melee.
https://www.mtgo.com/decklist/standard-challenge-32-2026-06-1412844341
https://www.mtgo.com/decklist/standard-challenge-32-2026-06-1312844317
https://www.mtgo.com/decklist/standard-challenge-32-2026-06-1212844309