Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Essence Flux

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Braingeyser

Garth One-Eye

{T}: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)

Disenchant

Shivan Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.)
{R}: Shivan Dragon gets +1/+0 until end of turn.

Regrowth

Return target card from your graveyard to your hand.

Cloudshift

Exile target creature you control, then return that card to the battlefield under your control.