Sword of Sinew and Steel Sword of Sinew and Steel lets you destroy a planeswalker and an artifact each time the equipped creature deals combat damage, which is essential when playing against superfriends or artifact decks
What puts this a cut above those other options is the fact that its also an enchantment that provides ongoing healing
Boseiju, Who Endures One of a cycle of five legendary NEO lands, Boseiju, Who Endures had a major impact on multiple Magic formats, from Modern and Pioneer to Standard
It's especially strong in EDH, where you can use the ability to blast Sol Rings, Mana Crypts, or just stick it to the biggest artifact creature around
The other relevant thing is that this enchantment is specific to goblins which restricts you to draining the table only if a Goblin you control dies
That is right, this collaboration was in the works even before Final Fantasy XVI was released