msem-instigator

As an additional cost to cast this spell, sacrifice a creature.
Put X +1/+1 counters on target creature you control, where X is the sacrificed creature's power. You gain X life.

Equipped creature gets +1/+0.
Equipped creature has deathtouch as long as it's attacking.
Equip {1}

Enchant creature
Enchanted creature has “{T}: Add one mana of any color. Put a +1/+1 counter on this creature.”

You may play an additional land on each of your turns.
Whenever a land you control enters, creatures you control get +1/+1 until end of turn.

Enchant land
When Verdant Haven enters, you gain 2 life.
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Return target permanent card from your graveyard to your hand. If a card with a mana ability was returned to your hand this way, add three mana of any one color.

You may play basic land cards you own from outside the game.

Reveal the top thirteen cards of your library. For each permanent type, you may put a card of that type revealed this way into your hand. Put the rest into your graveyard. (The permanent types are creature, land, artifact, enchantment and planeswalker.)

Target creature gets +3/+3 and gains trample until end of turn.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Choose one —
• Destroy target artifact or enchantment with mana value 3 or less.
• You gain 3 life. Draw a card.

Target creature gains deathtouch until end of turn.
Draw a card.

When Viridian Townships enters, create two Idol tokens. (They're artifacts with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
{2}, Sacrifice an Idol: Draw a card.
{2}, Sacrifice an Idol: You gain 3 life.

Target creature you control deals damage equal to its power to target creature you don't control.

Enchant creature
Enchanted creature blocks each combat if able.
Whenever enchanted creature attacks, it loses flying until end of turn.

You gain twice X life.
Kindle X—{X}{G}{G} ({X}{G}{G}, Exile this card from your graveyard: Create X 1/1 colorless Elemental creature tokens. Kindle only as a sorcery.)

[+1]: Mill four cards, then return up to one creature card milled this way to your hand. You may activate a different loyalty ability Vivien has this turn.
[+1]: Create a 2/2 green Cat Spirit creature token with “When this creature dies, you gain 2 life.”
[–3]: Choose target creature you don't control. If it has flying, destroy it. Otherwise, up to one target creature you control deals damage equal to its power to that creature.
[–9]: Create four 4/4 green Hydra creature tokens. Creatures you control gain trample and haste until end of turn.

This spell costs {2} more to cast for each target beyond the first.
Choose one or more —
• Counter target activated or triggered ability from a nonland source.
• Vivien's Endeavor deals 6 damage to target creature with flying.
• Target player searches their library for a creature card with colossal, reach, trample, or vigilance, reveals it, puts it into their hand, then shuffles.

Reveal cards from the top of your library until three creature and/or land cards are revealed this way. Put all creature and/or land cards revealed this way into your hand and the rest into your graveyard.

Reveal the top seven cards of your library. You may put any number of permanent cards with total mana value X or less from among them onto the battlefield, where X is the number of lands you control. Shuffle the rest into your library.

[+1]: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
[–3]: You get an emblem with “{1}{G}: You may play an additional land this turn.”
[–6]: Creatures you control gain trample and have base power and toughness X/X until end of turn, where X is the number of lands you control.

Creatures you control get +0/+1 and have reach.

Prevent all combat damage that would be dealt by non-Spirit creatures this turn.

Search your library for a basic land card or a Forest card, reveal it, and put it into your hand, then shuffle.
Ferocious — Put the revealed card onto the battlefield instead if you control a creature with power 4 or greater.

Play with the top card of your library revealed.
Spells you cast that share a creature type with the top card of your library cost {1} less to cast.