The life manipulation effect buys breathing room and fuels Supernovas builds, placing it among the best One Piece cards
In this case, its justified, and Delete becomes an Earthquake for artifact creature decks from General Ferrous Rokiric to Breya, Etherium Shaper
And because of its quirky static ability, it can be you commander, and interacts with cards that don't normally interact with planeswalkers (think: Green Sun's Zenith)
In Commander, Tajic's low cost means it is likely the first commander on the board, and with three power, its commander damage stacks quickly
The worst aspect of this card is that these days, other decks can have a cheap cycler available and also benefit from the effect
Fanged Flames A 2-mana burn spell is a solid start, although Fanged Flames is restricted to sorcery speed and creature or planeswalker targets