Agent Venom

Flash
Menace
Whenever another nontoken creature you control dies, you draw a card and lose 1 life.

Essence Scatter

As this land enters, choose a basic land type. Then you may pay 2 life. If you don't, it enters tapped.
This land is the chosen type.

({T}: Add {U} or {B}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Counter target noncreature spell unless its controller pays {2}.