Creaturefall cards appear in all colors, though they tend to focus around the Naya shard, as those colors care the most about creatures
Coaches gift them at end-of-year banquets
Having the spare mana to ping your opponent wont happen until late, and it usually wont be very meaningful when you have it either You dont really want to double the mana you and your opponent produce, especially because most of the time when you play this your opponent will get the first crack at all that sweet, sweet mana Another Enchantment that rewards you for having lots of small creatures things might get interesting if you can get your hands on impact tremors and goblin bombardment along with this
No, this is a Leader card that cant attack, which is pretty unusual
In Commander, that question gets asked a lot
The rest of top 16 was a smattering of Mythic Rulers, Bujins, Infernity, Fire Fist, and Harpies