msem-instigator

Whenever a source you control deals noncombat damage to a player, put a +1/+1 counter on Mindblaze Pyromancer.

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

Pillar of Flame deals 2 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Prophetic Flames deals 3 damage to target creature. If you control a Goblin, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Haste (This creature can attack and {T} as soon as it comes under your control.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Flying, haste
{3}{R}{R}: Return Rageborn Phoenix from your graveyard to your hand. If you do, it deals 1 damage to any target.

Flying, trample
Whenever Raidragos' Avenger deals combat damage to a player, create a 5/5 red Dragon creature token with flying.
Creatures you control get +1/+0 for each Dragon you control.

[+1]: Raidragos, the Vindictive deals 3 damage to target player or planeswalker and 1 damage to you.
[–2]: Until end of turn, creatures you control gain “{R}: This creature gets +1/+0 until end of turn.”
[–8]: You get an emblem with “Whenever you cast an instant or sorcery spell, this emblem deals 4 damage to each opponent.”

You can't draw cards.
{2}{R}: Exile the top card of your library. You may play it this turn.

Target creature gets +3/+0 and gains first strike until end of turn.

Stormbred Elemental gets +1/+1 as long as you control an Island.
{U}: Stormbred Elemental gains flying until end of turn.

Menace (This creature can't be blocked except by two or more creatures.)

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

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

Trample
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Search your library for a basic land card and put it onto the battlefield tapped, then shuffle. You gain 1 life for each land you control.

Whenever another nontoken creature you control enters, create a 1/1 green Saproling creature token.
{1}{G}, {T}: Populate. (Create a token that's a copy of a creature token you control.)

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature gets +2/+2.
{1}{G}: Regenerate enchanted creature.

Target creature you control fights target creature you don't control.

Create a 3/3 green Beast creature token, then populate. (Create a token that's a copy of a creature token you control.)

For each creature token you control, create a token that's a copy of that creature.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
{2}{G}: Crazed Sprareos gets +2/+2 until end of turn. Activate only once each turn.

{2}{G}, Sacrifice Derrivan Beast Tracker: Create a 3/3 green Beast creature token.

When Derrivan Brawnmage enters, target creature gets +3/+3 and gains trample until end of turn.