1-mana removal, even with a downside, can be a powerful tempo play, and you can target your own creatures, in particular your indestructible creatures, to get some upside
Abilities like double strike, unblockable, and toxic are all relevant, and power buffs can also help you aim for that commander damage win condition
It serves as mana fixing to cast your dragons as well as being a way to bring them back from the graveyard whenever necessary
Alternatively, you can choose to go wide with your board and take advantage of Toskis card draw ability to keep your hand stocked with resources
Between protection from blue and black, both of which have decent creature removal in different forms, and the card advantage of the on-damage ability, there isnt much this Sword leaves you wanting
First, none of the cards are new effects