Pro Tour Promos

Lava Spike

Lava Spike deals 3 damage to target player or planeswalker.

Teferi, Hero of Dominaria

[+1]: Draw a card. At the beginning of the next end step, untap up to two lands.
[−3]: Put target nonland permanent into its owner's library third from the top.
[−8]: You get an emblem with "Whenever you draw a card, exile target permanent an opponent controls."

Nykthos, Shrine to Nyx

{T}: Add {C}.
{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)