There's a few instances that I've noticed, where spells in hand are highlighted and clickable as castable, where in fact there's no way to cast them, and similarly the other way.
"castable" but uncastable;
3 lands in play, one of them Eldrazi Temple, 4 mv card in hand that's not an Eldrazi
Cavern of Souls in play, naming Eldrazi. Ancient Stirrings in hand highlighted
"uncastable" but castable
Ugin's Labirynth with an imprint underneath needs to be tapped for mana before the spells realise that there is 1 mana more available.
There's a few instances that I've noticed, where spells in hand are highlighted and clickable as castable, where in fact there's no way to cast them, and similarly the other way.
"castable" but uncastable; 3 lands in play, one of them Eldrazi Temple, 4 mv card in hand that's not an Eldrazi Cavern of Souls in play, naming Eldrazi. Ancient Stirrings in hand highlighted
"uncastable" but castable Ugin's Labirynth with an imprint underneath needs to be tapped for mana before the spells realise that there is 1 mana more available.