On the low end for a very casual introduction you have the Starter Kits which come with two decks
Dragon Tempest gives your dragons haste and turns each new dragon into damage, while Lathliss, Dragon Queen adds extra dragon bodies to snowball your board
Another possibility is to give White some form of rampsome way to keep up with decks that are spewing out tons and tons of lands so you dont fall too far behind on mana, Robins said
If Adwal leaves your graveyard before its last ability resolves, the ability will have no effect, even if the card returns to your graveyard before that ability resolves
Scavenging Ooze is a highly versatile and efficient threat
Sacrifice after IV.) I, II, III Create a 3/3 black Dalek artifact creature token with menace for each lore counter on Genesis of the Daleks