Emrakul Promised End mindslaver bugs and activated abilities
I've noticed that the Mindslaver effect on Emrakul is buggy. When in control of my opponents turn the game does not properly function in full control when spells or abilities go on the stack.
Example:
1) Opponent has a Multani, Yavimaya's Avatar in their graveyard.
2) I use Emrakul, Promised End to take control of their next turn.
3) During that turn I use full control and activate Multani's graveyard ability to return 2 lands to my opponent's hand as a COST to put the return from graveyard effect on the stack.
4) After this the game takes over full control and resolves the ability without letting me in control of my opponent respond to the ability.
This is no how this interaction is supposed to work, I should be allowed to activate the ability again over and over until they have no lands left.
This has occurred with multiple other cards as well. My guess is that because the game knows when you are doing something that would be negative for yourself (in general) it wants to avoid you doing so but doesn't understand that since the opponent is forcing you to take bad actions, they want it to go as poorly for you as possible.