Well see
Astrologian's Planisphere This two-cost Blue artifact Equipment with job select Equip for 2 will make it a Wizard and then as you cast non-dorks, toss a +1/+1 counter here and then on your third card drawn each turn, not just yours - brilliant win con there for Spellslinger brews and Commanders for Commander Damage in Cantrips
BPhillipYork: This enables a whole deck around discarding and replaying, essentially giving madness to everything in your deck, though, obviously it's mayhem
Cards like Man-O'-War, Aether Adept, and Venser, Shaper Savant all do a great job at getting stuff off the board, but only in a temporary capacity
Her sacrifice was cheap and easy to activate, and youd be gaining more and more life every time you activate it, as the Hydra would get larger and larger the more lands you controlled