mtg cards with devour Intellect then gains life equal to that creatures toughness. Devour Flesh

The ability for a Trampling creature to grow itself is a great piece of self-synergy, and interacting with the graveyard is a powerful upside stapled onto an already-powerful card

It can't be the target of Tenacious Tomeseeker's triggered ability ("return target instant or sorcery card from your graveyard to your hand")

Nothing can normally prevent you from countering its spell: Cancel, Force of Will , Cryptic Command

For example, if you cast a spell with the number 12 in its text box, the middle ability will trigger if the doom counter is on 1 or 2

Tifa, Martial Artist runs the same three colors and has her own abilities: Martial Artist gives Tifa +1 to both Power and Life for each opponent you attack this turn ( MtGs Commander format is usually played with more than 2 players)

Cathartic Parting Cathartic Parting gets by with its artifact removal, while the shuffle effect is more of an afterthought