Incorrect rules interactions
A player took back Omniscience from the graveyard as a creature 1/1 with Abuelo's Awakening. I was going to kill it with an Instant spell before he could play anything else. But the game let him play an enchantment from his hand before allowing me to play my instant and kill his creature. The enchantment from his hand was another Omniscience, but since it was an enchantment, my instant should have had the priority to be played first, and to kill his creature/enchantment 1/1 before he could play the enchantment. That's a bug that it's exploited by players using that type of deck.
Marty_-McFly-#16232
shared this idea
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Rezzahan#77802
commented
No, this is not a bug. You are misunderstanding the game's timing rules and what priority means. After Abuelo's Awakening resolved in your opponent's main phase, there was no trigger or anything else on the stack. As the active player they get priority after any object on the stack finished resolving. Priority is the right to act in this game, only the player with priority can take an action. So it was their main phase, the stack was empty, and they had priority. That is the default timing restriction for casting a noninstant spell. So they got to cast their second Omniscience. Only after that spell was put on the stack and paid for, and your opponent passed priority, did you get priority to cast spells or activate abilities for the first time after the Awakening resolved. You spell being an instant is irrelevant.