(It also loses all other creature types.)
For example, if you have six cards in hand as Doctor Octopus's last ability resolves, and you also control Thought Reflection (an enchantment that says "If you would draw a card, draw two cards instead"), you'll end up drawing four cards
It is just another drain on resources, all be it a big one that can hit everything else the other two abilities can't
If a creature with 0 or less toughness blocks an attacking creature with trample, treat its toughness as 0 when determining how much damage can "trample through." Sacrifice Play If there's only one attacking or blocking creature that could be sacrificed, do I really have to find someone outside the game
Saddle only as a sorcery.) If the revealed card doesn't have a mana cost (because it's a land card, for example), its mana value is 0