+1/+1 every turn can make a difference more often than you might think, and the +2/+2 boost you can give to Toxic creatures really matters, as making them harder to block profitably comes with extra value +2/+2 can definitely win you some combats, but it isnt that efficient and doesnt have that much additional upside, and you need tricks to be flexible and powerful to counteract the downside of a 2-for-1 risk, and +2/+2 for 2 doesnt really get you there
On a well-supported type like vampire, convoke feels like a cost reduction since good vampires can come down before this and gladly for it
The option to pay a spell differently is usually stated in the text of the spell (or ability suggesting an alternative payment) and appears as follows: You may [perform an action] rather than pay [this object]s mana cost This is stated on Force of Will or Shining Shoal, as well as in the rules for Flashback, Overload and Evoke
Illustrated by Volta Creation Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
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