Effects that switch the creature's power and toughness are always applied after any other power or toughness changing effects, including these two, regardless of the order in which they are created
There are lots of MTG commanders that let you cheat equip costs (in fact Captain America, First Avenger does this too), and the go-to equipment here are things like Colossus Hammer
Cadira, Caller of the Small Cadira, Caller of the Small is an orc ranger that creates a 1/1 rabbit whenever it deals combat damage to a player
From there, the rest is history
One of the most popular formats to play is Commander, where you go up against up to three other players using a 100-card deck that's focused around one card as your commander
Its also a smaller set, in terms of the number of cards, so they have filled the Collector Boosters with a range of treatments and styles, then given us an article with lots of obfuscations