If there is no damage specified and it just causes a Burn, the default two damage counters, or 20 HP, are dealt until heads is flipped
As you draft more, you will realize that different deck archetypes work best with the hump of the curve at different points, but in the early days this should be enough to get you by
Since blocking creatures can typically only block one attacking creature at a time, a token decks sheer numbers make quantity more important than quality, as they simply barge through several better creatures and force enough combat damage through to reduce their oppositions life totals to 0
The Yoto Mini is much more portable due to its smaller size
I was already a Return to the Ranks apologist (playing it quite extensively in early builds of Winota), but Raise the Past is just a far better rate, allowing you to bring back many more creatures for just four mana
What are your top picks for the cute cards of Magic