Conflux

This spell can't be countered. Volcanic Fallout deals 2 damage to each creature and each player.

Double strike {B}{G}: Viashino Slaughtermaster gets +1/+1 until end of turn. Activate only once each turn.

Domain — Create a 1/1 green Saproling creature token for each basic land type among lands you control.

Search your library for a Plains card, an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

{R}{W}, {T}: Sacellum Archers deals 2 damage to target attacking or blocking creature.

Flash Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+...

Destroy target artifact or enchantment. If that permanent was blue or black, draw a card.

Ignite Disorder deals 3 damage divided as you choose among one, two, or three target white and/or blue creatures.

Trample, haste At the beginning of the end step, sacrifice Hellspark Elemental. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the...

First strike {W}{U}{B}{R}{G}: Until end of turn, Dragonsoul Knight becomes a Dragon, gets +5/+3, and gains flying and trample.

Domain — Target player discards a card for each basic land type among lands you control.

Exile target black or red permanent.

When Grixis Slavedriver leaves the battlefield, create a 2/2 black Zombie creature token. Unearth {3}{B} ({3}{B}: Return this card from your gravey...

{W}{U}{B}{R}{G}: Fleshformer gets +2/+2 and gains fear until end of turn. Target creature gets -2/-2 until end of turn. Activate only during your t...

{1}{U}{R}: Dreadwing gets +3/+0 and gains flying until end of turn.

Enchant Forest or Plains Whenever enchanted land becomes tapped, its controller loses 2 life.

Target creature gains flying until end of turn. If you control a white permanent, return View from Above to its owner's hand.

{W}{B}: Scornful Aether-Lich gains fear and vigilance until end of turn. (Attacking doesn't cause it to tap, and it can't be blocked except by arti...

Flying At the beginning of your upkeep, return an artifact you control to its owner's hand.

Creatures your opponents control get -1/-0.

Enchant red or green creature Enchanted creature doesn't untap during its controller's untap step.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {C}. {T}: Target land you control becomes the basic land type of your choice until end of turn.

You have no maximum hand size. {T}: Add {C}.