msem-instigator

Gain control of target creature until end of turn. Untap that creature. It gains haste and is marked until end of turn.

Exile all lands. For each land card exiled this way, Uttermost Obliteration deals 1 damage to that land's controller.

Whenever you cast a spell that targets, put a loyalty counter on Valeri Kripac and create a 1/1 white Soldier creature token.
[+1]: Add {R}. If you spend this mana on a spell that targets, that spell can't be countered.
[–2]: Exile target instant or sorcery card from your graveyard. You may play it until the end of your next turn. If you do, exile that spell instead of putting it anywhere else.

Vanguard's Assault deals X damage divided as you choose among any number of target creatures, where X is the number of attacking creatures.

Destroy target artifact. Vanquish the Obsolete deals 1 damage to each creature that artifact's controller controls.

Vaporizing Blast deals 3 damage to target creature. If that creature has a permanent attached to it, instead Vaporizing Blast deals 7 damage to that creature and 2 damage to that creature's controller.

Enchant creature
Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Enchanted creature gets +3/+0 and has menace.

Whenever a creature you control dies, Vengeant Souls deals 1 damage to any target.

Target creature gets +2/-2 and gains first strike until end of turn.

Verse of Fire deals 2 damage divided as you choose among up to two targets.

As an additional cost to cast this spell, exile a multicolored card from your graveyard or pay {2}.
Vibrant Flames deals 3 damage to any target.

As an additional cost to cast this spell, you may pay {1}{R}.
Put a double strike counter on target creature you control.
If this spell's additional cost was paid, untap each creature you control that attacked this turn instead. After this main phase, there is an additional combat phase followed by an additional main phase.

Exile the top two cards of your library and put a blood counter on each of them. Until the end of your next turn, you may play cards you own in exile with blood counters on them.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

Whenever you attack, create an X/X red Elemental creature token that's tapped and attacking, where X is the number of attacking creatures.
Fleeting {1}{R} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

Destroy target nontoken artifact. Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

As an additional cost to cast this spell, sacrifice an artifact or creature.
Create three 1/1 red Construct creature tokens.

This spell costs {1} less to cast for each creature that attacked this turn.
Violent Offensive deals 4 damage to any target.

Enchant creature
Whenever enchanted creature becomes tapped, Violent Repercussions deals 3 damage to that creature's controller.

Reverberate {3}{U} (When you cast this spell, copy it if you paid its reverberate cost.)
If Violent Spasm is reverberated, creatures you control gain flying until end of turn. Violent Spasm deals 1 damage to each creature without flying.

Eureka! (At the beginning of each end step, you get a research counter if you cast a spell this turn. Then if you have eight or more research counters, remove them and create a Masterpiece token of your choice.)
Equipped creature gets +3/+2.
Equip {R}

Target creature you control gains trample until end of turn. Whenever that creature deals damage to a player this turn, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)
Voice of the Universe deals 2 damage to each creature.

Voidflare deals 2 damage to any target.
Wanderlust — Voidflare deals 3 damage instead if you control four or more differently named lands.

Volcanic Catastrophe deals 3 damage to any target. If a permanent dealt damage this way would die this turn, instead exile it and its controller's graveyard.

Creatures you control gain haste and trample until end of turn.
Draw a card.