during your turn, you are defenseless against Event Counters
Expressive Iteration costs one Blue and one Red mana, and reads: "Look at the top three cards of your library
If the chosen enchantment is an Aura but Estrid's Invocation won't be able to legally enchant anything, Estrid's Invocation remains in its current zone and doesn't enter the battlefield
The card pool was large enough and the decks fair enough that there were a lot of different viable competitive archetypes, something that made Extended events quite diverse
Tyranid Swarm Evolve to overcome with otherworldly monsters, ravenous for destruction, and commanders The Swarmlord and Magus Lucca Kane
This can cause communication issues and result in difficult judge scenarios, so I find its best to avoid the dice altogether