If you have ten creatures, all your creatures get +10/+10, which in most cases will outclass practically everything your opponents play
Similarly, if you sacrifice a creature to activate a mana ability while casting a spell with convoke, that creature won't be on the battlefield when you pay the spell's costs, so you won't be able to tap it for convoke
But at that point, you should stop and consider if you really need to add more Ink each turn
Budget Commander: Niv-Mizzet, Parun I make no effort to hide the fact that I'm a huge Izzet fanboy: it is my favorite guild in terms of aesthetics, flavor, and game mechanics
MTG Unfinity released on October 7, and already multiple images have appeared on social media of cards with the wrong stamp
Most of the time it plays like a Time Walk with a full Blatant Thievery attached to it