msem-instigator

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

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

When Voice of Revolution enters the battlefield, Rebel creatures you control get +1/+0 and gain haste until end of turn.

Other Rebel creatures you control get +1/+0.
When Youthful Renegade enters the battlefield, create a 1/1 white Rebel creature token.

Put a +1/+1 counter on target creature. Prevent all combat damage other creatures would deal this turn.

Whenever Birthing Elemental or another nontoken creature you control dies, create a 1/1 green Saproling creature token.

Enchant land (Target a land as you cast this. This card enters the battlefield attached to that land.)
Enchanted land has “{T}: Add one mana of any color” and “At the beginning of each upkeep, untap this land.”

Enchant creature
Enchanted creature gets +1/+1 and has hexproof.

Untap target creature you control. It gets +4/+4 and gains reach until end of turn.

Destroy target artifact or enchantment. Create a 1/1 green Saproling creature token.

Target creature gets +2/+2 until end of turn. If you control four or more lands, that creature gets an additional +2/+2 until end of turn.

{T}: Add {G}.

Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control seven or fewer lands, return Evergrowth to your hand.

Target creature gets +2/+2 until end of turn. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

Flash (You may cast this spell any time you could cast an instant.)
When Gorillas in the Mist enters the battlefield, prevent all combat damage that other creatures would deal this turn.

Motivate 2 (When this creature enters the battlefield, you may motivate target creature with less power than this by putting two +1/+1 counters on it.)

Enchant creature
When Knight's Daring enters the battlefield, put two +1/+1 counters on enchanted creature.
Whenever enchanted creature deals combat damage to a player, put a +1/+1 counter on each creature you control with a +1/+1 counter on it.

Kicker {1}{G} (You may pay an additional {1}{G} as you cast this spell.)
When Mold Shambler enters the battlefield, if it was kicked, destroy target noncreature permanent.

Mossvine Lurker has trample as long as it has a +1/+1 counter on it.

Exile a nonland card from your graveyard: For each colored mana symbol in that card's mana cost, add one mana of that color. Activate only once each turn. (For example, if the card's mana cost is {3}{G}{G}{W}, you add {G}{G}{W}.)

Defender (This creature can't attack.)
When Naturebound Druid enters the battlefield, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Motivate 1 (When this creature enters the battlefield, you may motivate target creature with less power than this by putting a +1/+1 counter on it.)
When Nroxi Beastmaster motivates a creature, that creature gains trample until end of turn.

Target creature you control gets +2/+2 until end of turn. It fights target creature with flying you don't control.

Whenever Poignant Hydra deals combat damage to a player, put a +1/+1 counter on it.
Creature spells you cast with power less than Poignant Hydra's power cost {1} less to cast.

Rammanethi Hydroshaper gets +1/+1 as long as you control an Island.
{2}{U}: Target creature blocking or blocked by Rammanethi Hydroshaper gets -1/-0 until end of turn.