A 5-mana 6/6 flier is fine, though a step down from Doom Whisperer and the like
Chaos End refreshes the board if you should fall behind, and Nobleman of Extermination banishes opposing battle traps
Of these cards, 35 of them were from VSTAR Universe [S12a]
Bloodthirsty Conqueror + Starscape Cleric There are dozens of combinations that might suit you beyond the infamous Exquisite Blood, and Sanguine Bond
It's still a land.3: Return target permanent card from your graveyard to your hand.6: You get an emblem with "Whenever a land you control enters, you may draw a card." Number 163 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (9/20/2016) You can activate Nissa's first ability targeting a land that's already untapped
Mechanics-wise its pretty good, too