Top-decking this is bad, but if you can put a creature into play for free, its not tempo loss (Fires of Invention was strong for this reason)
In order to figure out the result of a combat phase, you need to measure your Creatures' Power against your opponent's Creatures' Toughness (and vice versa)
Poison decks can sometimes run into difficulty, as they can rush one player down, and then get taken out by the rest of the table
4 Firespitter Whelp ( ETB, LC ) - A 2 mana 2/2 flying dragon is honestly not a bad start in a deck that cares about tribal
Then the rare instant The Last Agni Kai lets you fight, and you'll also make mana equal to the difference
Over a month after having been found, it seems as though Magic: The Gathering's mega-rare and extremely valuable The One Ring card has finally been sold by its owner