This deck is a ton of fun to play
Darksteel Colossus is the best at what he does: Having no drawbacks, being very big and very hard to stop
This archetype has existed for a long time, but the recent addition of MDFC lands has made it much, much better
(As long as a spell with split second is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Whenever chaos ensues, Lake Silencio deals 6 damage to target creature an opponent controls
Deathtouch, reach, and graveyard abilities are frequent features of these creatures that you can lean into when building a Spider Commander deck
This one-mana instant permanently exiles any creature while giving its controller life equal to the creatures power, providing clean answers to threats at the lowest possible cost