Koma, Cosmos Serpent 3GGUU
Legendary Creature - Serpent
This spell can't be countered.
At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil.
Sacrifice another Serpent: Choose one—
• Tap target permanent. Its activated abilities can't be activated this turn.
• Koma, Cosmos Serpent gains indestructible until end of turn.
Good reanimator fatty, not in the top 4 for the guild but probably good enough to warrant discussion.
I like that it fills several roles at once. It is a ramp top end, a reanimation target and can be fetched with Natural Order. It is immune to sorcery speed destroy effects (and after the first upkeep to all destroy effects), cannot be countered, plays offense and defense simultaneously and can lock up to two permanents. I think Koma is a consideration if you need another cheat target. I'm going to test it at 720 over Nissa, Steward of Elements as Simic card #5.