Its possible the correct number of Faceless Havens is one or two, but I doubt its right to play four in this version
Several examples of what Burn tokens can look like are shown in the below image
#29 @MindAblaze!: That Drink mechanic (whilst needing a more exciting name) is brilliant
So, if you have four creatures in play (counting Moonshaker itself), all those creatures will get +4/+4
Charizard GX: Worth approximately $2000 Charizard VMAX: Worth approximately $200-300 Mewtwo & Mew-GX: Worth approximately $150-$250 Lugia GX: Worth approximately $150-$250 Rayquaza-GX: Worth approximately $100-$300 Eevee & Snorlax GX: Worth approximately $100-$300 This stunning card is from the Sun & Moon: Burning Shadows deck
Some such questions Ive answered are: Can I deal combat damage to multiple players simultaneously? Can I build a deck that recurs not just destroyed, but exiled creatures? Can I win by giving my opponents infinite turns? Those three commanders above are the answer to each question respectively, and that might be surprising