Night Soil is the ancestor to the Shards of Alara standout, Necrogenesis, but it works in a similar fashion to keep graveyards, and those who would make the most of them, in check
I can answer her more readily than the many other crappy cards out there
Each card also carries a rarity that affects how often it appears in booster packs
One of them, an Elsa glimmer, accidentally freezes the whole realm in her attempt to stop the vine
Giant Harbinger is a simple red five-mana 3/4 that reads, When Giant Harbinger enters the battlefield, you may search your library for a Giant card, reveal it, then shuffle and put that card on top. Of course, its even better if you can quickly draw that card, and Aegar, the Freezing Flame is a three-mana blue and red 3/3 that basically lets you draw cards if you deal too much damage to a creature or planeswalker using a Giant
Doom Whisperer speeds up graveyard setup, and Children of Korlis unlocks explosive turns