This card is a rare example of a monster which can interfere with the opponents Extra Deck, sending a monster from it to the Graveyard the moment its summoned, even before we talk about the destruction ability of its other effect
A four mana 5/4 with trample is a good rate on its own, but Toralfs ability gives a decks damage spells more reach
More so than most of the other cards on this list it lets you outplay your opponent as well which is always an indication of good card design
These includ: Duskull, Dusclops and Dusknoir
with this card in play, you'll get an extra card and a creature on your board as you do so
This comes in the form of filter lands, artifact filters, and spells that search for lands from your deck and add them into your hand to make sure your next land drop is the right one