Phyrexian Arena

At the beginning of your upkeep, you draw a card and you lose 1 life.

Phyrexian Scuta

Kicker—Pay 3 life. (You may pay 3 life in addition to any other costs as you cast this spell.)
If Phyrexian Scuta was kicked, it enters with two +1/+1 counters on it.

Ravenous Rats

When Ravenous Rats enters, target opponent discards a card.

Phyrexian Rager

When Phyrexian Rager enters, you draw a card and you lose 1 life.

Terminate

Destroy target creature. It can't be regenerated.

Swamp

Skizzik

Kicker {R} (You may pay an additional {R} as you cast this spell.)
Trample, haste
At the beginning of the end step, if Skizzik wasn't kicked, sacrifice it.

Mountain

Flametongue Kavu

When Flametongue Kavu enters, it deals 4 damage to target creature.

Nightscape Familiar

Blue spells and red spells you cast cost {1} less to cast.
{1}{B}: Regenerate Nightscape Familiar.