msem-instigator

Align X (Choose modes with total ★ less than or equal to X. You may choose modes multiple times.)
• ★ — Bloodstained Calamity deals 1 damage to each creature, player, and planeswalker.
• ★★ — Return target instant or sorcery card from your graveyard to your hand. Exile Bloodstained Calamity.
• ★★★★★ — Bloodstained Calamity deals 10 damage to any target.

Target permanent you control gains hexproof until end of turn. If that permanent is a creature, it also gets +1/+1 until end of turn.

{1}{R}: Earnest Labourer gets +2/+0 until end of turn.
{4}{G}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Target creature gets +2/+2 until end of turn. If it's an enchanted creature or enchantment creature, it also gains hexproof and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say “destroy” don't destroy it.)

Sacrifice Proud Lion: Counter target spell that targets you.
Ride {1}{W} ({1}{W}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

Whenever Byway Bruiser enters or leaves the battlefield, you may have it deal 3 damage to any target.

[+1]: Draw two cards, then put a card from your hand on the bottom of your library unless you've spent {W}{U}{B}{R}{G} on spells this turn.
[–2]: Add {W}{U}{B}{R}{G}.
[–6]: For each card type, you may return a card of that type from your graveyard to your hand.

Whenever Swiftspear Ambusher and exactly one other creature attack, put a +1/+1 counter on target attacking creature.

Mettalia is all colors.
Mettalia has protection from each color among cards she's salvaged in exile.
When Mettalia enters, for each color, you may salvage a nonlegendary card of that color. (Exile one from your graveyard until this creature leaves the battlefield. Whenever this creature deals combat damage to a player, put a card it salvaged into your hand.)

Enchant creature
When Erase Identity enters, tap enchanted creature.
Enchanted creature loses all abilities.
Enchanted creature doesn't untap during its controller's untap step.

Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{1}, {T}: Choose a nonland card name. Reveal the top three cards of your library and put each revealed card with that name into your hand. Put the rest into your graveyard.

Sodden Path enters tapped unless you control one or fewer other lands.
{T}: Add {G} or {U}.
Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Mill three cards. Scry 1.
{1}, Sacrifice Consecrated Altar: Counter target spell or ability that targets you or one or more cards in your graveyard.

Lush Outcrop enters tapped unless another player controls a land that could produce {R} or {G}.
{T}: Add {R} or {G}.

Flying
Spells your opponents cast cost an additional 2 life to cast.

Exile target instant or sorcery card from your graveyard. Copy it. You may cast the copy. (Cast a copy of this spell once while this creature is on the battlefield.)

Destroy target creature or planeswalker you don't control. Its controller creates two tapped Treasure tokens.

Whenever a creature in Sage of Circular Motion's pack becomes the target of a spell, draw a card. (Two or more creatures you control with equal power are in a pack.)

Tap up to two target creatures. They don't untap during their controller's next untap step.
Reprise {3}{U} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)

Counter target spell.
Create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)

Enchant land
Enchanted land has “{W}, {T}: You gain 2 life.”

Destroy all monocolored creatures.

Lifelink
{B}, Sacrifice Lostrite Evoker: Add {B}{B}{B}.

{T}: Add {C}.
{4}, {T}, Put a -1/-1 counter on a creature you control: Draw a card.

{T}: Add {G}.