Their presence is one of the few things that can protect from Valgavoths malevolent influence
At the beginning of the next upkeep, create a 4/4 white Bird Soldier creature token with flying for each creature returned to your hand this way
Sometimes, trample is all a massive creature like Impervious Greatwurm is missing to make it a serious threat
If youre playing against the other Amethyst/Ruby starter deck , dont let them keep their characters on board
If a substitute card enters a public zone (the battlefield, the graveyard, the stack, or exile unless it's exiled face down), use the actual double-faced card and set the substitute card aside
This can be especially helpful early on to get some lore on the table before your heavy hitters can gain traction