Youll know straight away if youre going to need to rip out artifacts or wipe an early board of creatures, and given that both modes deal with the predominant early-game value accrual engines, its almost never a dead card
Thats been the case ever since the cards were released initially, meaning that there are a lot of expansion sets to work through if youre a collector
Either the hand had no green mana, or all the non-land cards were over 4 mana, or, frequently, I had both of these problems
What makes eBay data valuable: Volume
Cards with enters triggers have a spell-like effect, which justifies their mana value and makes it easier to include in your deck, as they have an immediate impact
So, to keep track of which creature is blocking, it's common for the defending player to place their blocking creatures in front of the attacking creatures to show which is blocking which