It gives all of your creatures +1/+1, Trample and Infect
If this is happening, you'll draw one card
Toph's static ability turns all artifacts into lands, which in combination with Terra Eternal, gives all of them indestructible
Not only does this creature buff all your other dragons with a global +1/+1, but thanks to its storm ability, you can end up with a sudden army of flying beaters if you chain a few spells together
Death Toll a delirium-driven animator deck lead by the black/green Winter, Cynical Opportunist that wants you to get as many card types in your graveyard as possible, before cheating them back out into play
This usually creates a dynamic where you can pick Take Up the Shield up a little later in draft (compared to how strong the effect on the game is)