Creature The Eighth Doctor When The Eighth Doctor enters, mill three cards
They both value aggressive strategies, large numbers of creatures, and tokens
If it's a land, though, you may get to play it
Combining these things together on a card that has relevant and interesting abilities is even better
(2023-11-03) Due to a 2021 rules change to cascade, not only do you stop exiling cards if you exile a nonland card with lesser mana value than the spell with cascade, but the resulting spell you cast must also have lesser mana value
If at least one target is still legal, the ability will resolve but will have no effect on any illegal targets