Teferis Protection takes the cake here, though, as its easily the best in slot
Sauron, The Lidless Eye Sauron, the Lidless Eye is a five-drop, Rakdos-colored version of the Tolkien villain, a 4/4 that neatly but bluntly expresses both of its colors with two different abilities
The Disk kills virtually everything, and it does it for a total of five mana
If you have ten creatures, all your creatures get +10/+10, which in most cases will outclass practically everything your opponents play
However, as someone whos been working on building a Standard deck, I know the pressure and concern the inevitable threat of facing a Vivi Cauldron in my local store puts on me

Condition Options NM = Near Mint LP = Lightly Played MP = Moderately Played HP = Heavily Played D = Damaged ALT = Altered ART = Artist Proof PRE = Pre-release TS = Timestamped SGN = Signed BGS = BGS B10 = BGS 10 B95 = BGS 9.5 B9 = BGS 9.0 B85 = BGS 8.5 B8 = BGS 8.0 B75 = BGS 7.5 B7 = BGS 7.0 PSA = PSA P10 = PSA 10 P95 = PSA 9.5 P9 = PSA 9.0 P85 = PSA 8.5 P8 = PSA 8.0 P75 = PSA 7.5 P7 = PSA 7.0 CGC = CGC C10P = CGC Pristine 10 C10 = CGC 10 C95 = CGC 9.5 C9 = CGC 9.0 C85 = CGC 8.5 C8 = CGC 8.0 C75 = CGC 7.5 C7 = CGC 7.0 PCG = PCG (Premier Card Grading) PC10 = PCG 10 PC95 = PCG 9.5 PC9 = PCG 9.0 PC85 = PCG 8.5 PC8 = PCG 8.0 PC75 = PCG 7.5 PC7 = PCG 7.0 Language Options EN = english DE = german FR = french RU = russian IT = italian ES = spanish PT = portuguese CT = chinese traditional CS = chinese simplified JP = japanese KR = korean Inventory: Update Item Update an inventory item