As a sorcery, you may pay the mana cost of a locked door to unlock it.) If you sacrifice Dazzling Theater while casting a creature spell (to activate a mana ability, for example), the spell won't have convoke when you pay its costs unless it has convoke some other way
So isnt is a bit shocking how relatively low-profile Pattern of Rebirth is today
And this is doubly true since by increasing supply, Secret Lair reprints tend to reduce the value of the older, cheaper versions of the cards featured in the drops, potentially allowing you to pick up less desirable (but just as playable) versions at a discount
Grapeshot and Empty the Warrens are staple storm win conditions
If you have nothing to spend your mana on, you can just turn this into a 4/4 or a 5/5 in a later turn
It's got an on curve 5/4 size and no one can gain life while it's out, not you or they