Omicron, The Inevitable End

({p/c} can be paid with either {w} or 2 life )
Haste. Double-Strike. Whenever Omicron, The
Inevitable End kills a creature an opponent
controls, that creature is put onto your battlefield
tapped instead of going to the graveyard.
"She moves faster than anyone I've ever seen, hits
harder than anyone I've ever seen. If this is the lowest
ranking member, I do not want to see the others." -
Hitora, Leader of Kubo-Kubo