Opponent on the play, I am on the draw.
Turn 1: Opponent plays a land, passes the turn, i play a land and Llanowar Elves
Turn 2: Opponent plays a land, has 2 mana open, passes the turn, I play a land, then in detail:
- I play Badgermole Cub (tapping 2 lands)
- Cub resolves, Cub's ETB is added on the stack (i target a land)
- Opponent casts Sear, targeting Cub. I have Llanowar untapped. I EXPECT to tap it for 2 Green mana, because I have 2 mana creatures in hand
Sear resolves automatically without giving me any proirity, I loose a chance to tap Llanowar correctly to get additional mana. This may cost a win.

Platform: Linux
Log file attached (logs were dumped right after the game with this bug).