msem-instigator

Choose one—
• Exile target creature with power 4 or
greater.
• Exile up to four target noncreature cards from graveyards.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Trample, haste
Thriving Hydra enters with four +1/+1 counters on it.
When Thriving Hydra enters, for each other creature you control, put X +1/+1 counters on that creature, where X is four minus its power.
Whenever Thriving Hydra attacks, double the number of +1/+1 counters on each creature you control.

Menace
If another Dwarf or Elf you control would deal damage to an opponent or permanent an opponent controls, it deals that much damage plus 1 instead.
{2}{R}: Create a 1/1 red Dwarf creature token.

Destroy target artifact or tapped land.

When Gleamhorn Gargantuan enters, put a +1/+1 counter on up to one other target creature.
Cycling {2} ({2}, Discard this card: Draw a card.)

Whenever Sledgesuit Prospector attacks, choose any number —
• Sacrifice an artifact. If you do, put a +1/+1 counter on Sledgesuit Prospector.
• Discard a card. If you do, create a Treasure token.

Flying
Whenever Blizzard Dragon attacks, tap an artifact, a creature, and a land defending player controls. They don't untap during their controller's next untap step.
At the beginning of each opponent's upkeep, that player sacrifices a tapped permanent.

({T}: Add {R}.)
Derelict Amphitheatre enters tapped.
{R}, {T}, Reveal a red card from your hand: Scry 1.

Caustic Mangrove enters tapped.
{T}: Add {B} or {G}.
{1}, {T}: Add one mana of any color.

Draw a card. Then you may cast an instant spell with mana value 2 or less from your hand without paying its mana cost.

Flying
When Rushwater Hunter enters, you may return target creature to its owner's hand.

Shoupan Shrine enters tapped.
{T}: Add {B} or {R}.
{B/R}, {T}, Sacrifice Shoupan Shrine: Put a +1/+1 counter on target creature you control. Activate only as a sorcery.

Target player reveals their hand. You choose a nonland card from it. That player discards that card.

Vanguard — Whenever a creature you control attacks alone, Shocking Ewe deals 2 damage to defending player.

{T}: Add {U} or {R}.
{T}, Sacrifice Sigil of Ingenuity: Add {U}{R}.

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.

Rogues and Pirates you control have haste.
Whenever one or more creatures you control deal combat damage to a player, exile the top card of your library. You may play that card this turn.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. If its mana value is less than 3, you gain life equal to the difference.

Equipped creature gets +0/+2 and has flying.
Equip {2}

When Sword of the Heavens enters, attach it to target creature you control.
Equipped creature gets +2/+2 and has flying, vigilance, and “Whenever this creature attacks, you may search your library and/or graveyard for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.”
Equip {3}

Cards in graveyards, exile, and libraries lose all abilities and card types.

This spell costs {1} less to cast for each card you've drawn this turn.
Create three 1/1 white Soldier creature tokens.

Judgment of Hao'Tai deals 4 damage to each non-Dragon creature.