If damage dealt by a creature you control with a +1/+1 counter on it is being divided or assigned among multiple permanents and/or players, that damage is divided or assigned before doubling
For example, you could put a creature into one pile and an Aura enchanting that creature into the other pile
They don't explicitly mention haste, but Samut, Vizier of Naktamun and Deathleaper, Terror Weapon basically beg you to play with haste-granting effects, as does Neriv, Heart of the Storm
Wood Elves and Farhaven Elf are ramp attached to 1/1 creatures
Virtue of Loyalty $5.22 Getting you a 2/2 white Knight creature token with vigilance is good enough value that it would make me keep this in my opening hand if there are no other options, but there are quite a lot of other 2-drops in White that would make this Adventure pale in comparison