If at least one opponent has more life, creatures, or cards in hand than you, you'll get the appropriate bonus
Played in 10,318 decks over at EDHREC.com so it's pretty commonly seen at the kitchen table quite often, and this is a green version, but two to tap so you can more easily cast and use it on the same turn without frumping around
Yuriko, the Tiger's Shadow is the best ninja commander and happens to work nicely with big, expensive spells like Time Stretch
Then, give up to one rested DON
Youd have to evolve it into Brocks Rhydon specifically
Like our other sections, the life drain is split into two categories, and first up is our aristocrats: The Meathook MassacreThe Meathook Massacre Bastion of RemembranceBastion of Remembrance Vengeful BloodwitchVengeful Bloodwitch Zulaport CutthroatZulaport Cutthroat Blood ArtistBlood Artist These will help with the slow whittling of your opponent's life totals, all the while buffering yours