The good thing about Yshtola is that youll always be using her ability, even when youre not the one causing damage, which can help you not be considered a threat for quite some time
Warp and Void Warp lets you play it from your hand for warp cost, exile beginning of next end step, then cast it from exile on a later turn
Gallifrey Council Chamber This legendary land is a must-play in any Doctor Who deck
Potentially, this could be where the card sees play, in a grindy Azorius Control deck, but thats hardly guaranteed
To cast adventures with discover, both the card and the adventure part of it have to be equal to or less than discover X
In The Promised End, Jace finds himself in a tower where he encounters a copy of himself