msem-instigator

[+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 enters the battlefield under your control, 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 the battlefield 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. (Each deals damage equal to its power to the other.)

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 the battlefield, target creature gets +3/+3 and gains trample until end of turn.

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

{T}: Add {G}.

Trample
Evergrowing Hydra enters the battlefield with X +1/+1 counters on it.
Whenever another creature you control dies, you may pay {X}, where X is less than or equal to that creature's power. If you do, put X +1/+1 counters on Evergrowing Hydra.

When Evolving Elemental enters the battlefield, scry 3, then reveal the top card of your library. Put a number of +1/+1 counters on Evolving Elemental equal to that card's mana value.

Target creature gets +2/+2 and gains trample until end of turn.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

When Guardian of the Wurm enters the battlefield, create a 6/6 green Wurm creature token with trample.