You can only look at the cards in your hand If you dont like the cards you draw in your starting hand, you can mulligan one time to put some back and draw others Psst older quickstart rules/videos have choosing turn order and drawing the wrong way around look here Alter Your Starting Hand Mulligan After drawing the seven cards to their hand, each player gets one chance to alter them
It simply buffs all the player's creatures, giving each of them a +1/+1 counter for the duration
In general, if you have a cheap removal spell in hand, its fine to give it the two +1/+1 counters
Its worth including some additional ways to make saprolings since you dont want this great Jund card to get stuck in the graveyard
Varchild, Betrayer of Kjeldor could be fun in some sort of group slug deck where you give your opponent tokens but in a harmful manner (maybe with something like Trespasser's Curse on the battlefield), although she might be better in the 99, since mono-red is pretty limiting
These cards are all trying to ensure we can really get the most juice for our squeeze when Anikthea triggers