Gandalf the White ($12.98 Regular, $14.70 Showcase, $20.88 Borderless) Panharmonicon where Legends Matters on legs, enough said
And being able to grab a bunch of nonsense from storage boxes to make a deck that can win is pretty fun
A "blocking creature" is one that has been declared as a blocker this combat, or one that was put onto the battlefield blocking this combat
That sadly makes the Ram a little lost outside its Limited format, since red-black Commander decks interested in equipment aren't very common
While you lose the creature, the value comes from the enter-the-battlefield triggers you can exploit for almost no mana
It is more explosive, giving +2/+2, but also does nothing on its own in situations where you won't or haven't cast a spell, while only 1 toughness makes it very vulnerable to things like Wrenn and Six and Lava Dart