If you do, for the duration of combat, the attacking and blocking creature cards are treated as if they are creature cards on the battlefield which means they can be affected by spells or abilities that would affect creatures on the battlefield
// Galian Beast Trample, lifelink When Galian Beast dies, return it to the battlefield tapped (front face up)
As milling has a mental attack flavor, it is very natural in blue
After the lukewarm response to the Sliver Swarm deck, this cards reprint was put into question, but seeing it here is really exciting
Primeval Titan gave you some value even if it dies, because we could get a Tolaria West and then transmute for a Summoners Pact, which can find more Titans
This is because in most limited formats, there are opportunities to draft decks (or build decks) that maximize the mana curve so that you can steamroll your opponent before they even have a chance to set up a game