element type, or suit, if you will) or number (the numbers range from 5-7) to any one column or one card each to up to three adjacent columns
Now that's some great value in going wide with creatures
Its pretty flexible, especially as its ability covers multiple card types
Patchwork Beastie This green creature enables itself by milling a card every turn, similar to Deathbonnet Sprout, a card that ended up seeing some play
people who just want to put their card in a deck, they don't care so much as long as its sleeve-playable, as long as it's not destroyed or ugly. In some cases, its not even just actual Magic: The Gathering cards that are exciting fans
There are just so many ways to get cards into exile, whether you're foretelling them, delving them, warping them, etc