msem-instigator

Flying, vigilance
{2}{G}: Return target creature you control to its owner's hand. If you do, this creature gets +2/+2 and gains trample until end of turn.

Whenever another nontoken creature you control dies, create a 1/1 green Saproling creature token.
{B}{G}, {T}, Sacrifice a creature: Return target permanent card from your graveyard to your hand.

Flying
When Cerulean Curtain Treasurer enters, audition for blue, then audition for blue again. (Create a 1/1 Construct Actor creature token, a Wizard Role giving 2/2 and prowess, or a Warlock Role giving 2/1 and flying. Roles replace older ones.)

This spell costs {1} less to cast for each artifact you control.
Search your library for an artifact creature card with mana value X or less, put it onto the battlefield, then shuffle.

Wildfire Elemental has frenzy 4 as long as you control no other creatures. (Whenever this creature attacks and isn't blocked, it gets +4/+0 until end of turn.)
Wildfire Elemental has frenzy 4 as long as you have no cards in hand.

{X}, {T}: Search your library for a creature card with mana value X or less and no creature types noted by Memorial to Sir Jasper, put it onto the battlefield, then shuffle. Note that creature's creature types. Activate only as a sorcery.

Whenever a source you control deals damage to an opponent this turn, exile the top card of your library. You may play it this turn.

Flying
When Intrepid enters, search your library for a land card, reveal it, put it into your hand, then shuffle.
Wanderlust — {0}: Intrepid becomes an artifact creature until end of turn. Activate only if you control four or more differently named lands.

Converge — Draw a card for each color of mana spent to cast Wisdom of the Leylines. Then discard a card.

Choose one —
• Exile target player's graveyard.
• Target player sacrifices a creature.

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.

As an additional cost to cast this spell, you may tap any number of creatures you control. This spell costs {1} less to cast for each creature tapped in this way.
Create X 1/1 white Peasant creature tokens. You gain X life. Legendary creatures you control gain hexproof and indestructible until end of turn.

Search your library for up to three creature cards with mana value 2 or less, put them onto the battlefield, then shuffle.

Equipped creature gets +3/+2.
Whenever a land you control enters, you may attach Axe of the Crann to target creature you control.
Equip {4}

({T}: Add {R} or {G}.)
Flourishing Crevasse enters tapped unless you control a basic Mountain or a basic Forest.

Explosive Implant deals 4 damage to target creature and 2 damage to that creature's controller.

At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Target creature you control gains indestructible until end of turn if it has a +1/+1 counter on it. Then it fights target creature you don't control.

As long as it's your turn, equipped creature has first strike and deathtouch.
If equipped creature would deal damage to a player or planeswalker, it deals four times that damage to that player or planeswalker instead.
Equip {4}

Trample
Whenever this creature enters or transforms into Valseid, Leyran Brute, it deals 2 damage to any target that isn't a blocking creature and you gain 2 life.
{3}{R}{G}: Transform Valseid, Leyran Brute. Activate only if it's attacking.

Reach
Whenever Elemental of Vengeance is dealt damage, it deals damage equal to its power to any target.

Bestial Mob's power and toughness are each equal to the number of creatures you control.
Whenever Bestial Mob deals combat damage to a player, destroy target creature with toughness less than Bestial Mob's power.

Whenever a creature is returned to its owner's hand, draw a card.
{4}{U}{U}: Return target creature to its owner's hand.

Look at the top two cards of your library. Put one into your graveyard and the other back on top.

You gain 4 life.
Recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)