Wonderscape Sage requires just a tap, which is a slight drawback in that you have to wait for summoning sickness to wear off to start using it, and you ostensibly can only use it once per turn, barring untapping shenanigans
Songs like Be Prepared can completely reset the field, while Steels sturdy characters stand their ground, forcing your opponent into bad trades
If you really want a 1/1 creature for four mana that regenerates in black, I can offer you Darkling Stalker, which outclasses Numai Outcast in every way that counts
The second effect allows the player to add either a white or a black mana to their Mana Pool, but the Murmuring Bosk then deals 1 damage to the player
Examples of active card draw are Friends on the Other Side, Merlin Rabbit, Maleficent Sorceress, Magic Mirror, The Queen Wicked and Vain, Ursula Power Hungry (I mean assuming they have at least one lore...), A Whole New World, Gaston Intellectual Powerhouse, Donald Duck Perfect Gentleman, and even Ariel Spectacular Singer or Be Our Guest