So it has added value, but at 4 mana, its one of the most reliable card drawing spells, for no additional mana or costs, youll find in the artifact kingdom
Do you print copyrighted images or character art
Im most excited in the shenanigans you can get up to with letting it go to the graveyard (as your Commander) and then later exiling it to grow a different creature, before sending it to the Command Zone as a replacement effect
However, despite the Power tag, I would not put Timetwister in the broken bucket, and even the venerable Time Walk is at least debatable
In most cases (see below), if you wait until the combat damage step or end of combat step, it will be after combat damage has been dealt, so the Ninja won't deal combat damage