What's more, when you use that second ability, you gain life and +1/+1 based on the power of the sacrificed creature
Mirrodin block, Kaladesh block, and Antiquities are just a few examples of sets that put artifacts front and center
Journey into Nyx Standard | Eric Rill Planeswalkers (7) 1 Jace, Memory Adept 2 Elspeth, Sun's Champion 4 Jace, Architect of Thought Spells (26) 1 Negate 1 Syncopate 2 Celestial Flare 4 Azorius Charm 4 Dissolve 4 Sphinx's Revelation 4 Supreme Verdict 1 Banishing Light 4 Detention Sphere 1 Elixir of Immortality Lands (27) 5 Island 5 Plains 1 Temple of Deceit 1 Temple of Silence 3 Mutavault 4 Azorius Guildgate 4 Hallowed Fountain 4 Temple of Enlightenment Sideboard (15) 2 Nyx-Fleece Ram 1 Deicide 2 Celestial Flare 1 Aetherling 1 Blind Obedience 1 Dispel 1 Negate 1 Pithing Needle 2 Gainsay 3 Last Breath While he definitely fits there, Nyx-Fleece Ram has potential in a main-deck slot
While it's fun to play and to brew - with all sorts of different combos and win cons you can try out, some people complain that Nadu is tedious to play against
Time has been somewhat cruel to Sarkhan, as the price of the card has more than halved since the launch of Takir: Dragonstorm
The described condition must be true both as your end step begins and as the "to solve" ability tries to resolve