With the right combination of cards, you can make it near-impossible to remove Anti-Venom, and thus, near-impossible to deal damage to you
With a land drop every turn, and no acceleration, you can cast a 5-drop artifact on turn four
If you somehow transform Smoldering Werewolf into Erupting Dreadwolf after it has attacked, Erupting Dreadwolf's triggered ability won't trigger that combat
Another one of those Birds of Paradise types of cards which is why its on the list
This limitation was lowered a bit by Heartstone, and basically removed once Training Grounds appeared, which can reduce almost all of the untap cards' ability costs to 1 or 0, if you find a way to tap them for mana, thus allowing such things as infinite 1/1 tokens, infinite mana, or a +infinity power boost to all of your creatures
It gives a creature -5/-5, so it gets around indestructible and can shrink bigger creatures