The type of collection I have I collect to build I go from having 6 to 15 decks assembled for EDH - this fluctuates a lot as sometimes I will build a deck, play it 5 times, and disassemble it again within a week
A seller can have 100% positive feedback and a high rating but still sell fake items
On the obvious other side of things, Elemental Bond cares about creatures with at least three power, while Garruks Uprising needs at least four power
The best way to mitigate the card disadvantage is to incorporate cards that can provide value from the graveyard, like cards with flashback or jump-start
It's highly dependent on the spell quality of your opponents and how many of them are even playing a lot of instants and sorceries in the first place
Because damage remains marked on a creature until the damage is removed as the turn ends, nonlethal damage dealt to a creature may become lethal if Eye of Nidhogg becomes attached to it or unattached from it during that turn