msem-instigator

Haste
Whenever Spellmaw Crocodile deals combat damage to a player, draw a card.
Discard a card: Spellmaw Crocodile can't be blocked this turn.

{T}: Add {B}.
{B}, {T}: Target creature gains menace until end of turn.

Create two 1/1 red and white Sand Warrior creature tokens.

At the beginning of your upkeep, each player draws a card.

Flying
As long as it's your turn, you and Angel of Succor have hexproof.
Untap all lands you control during each other player's untap step.

[+2]: Until end of turn, you may spend mana as though it were mana of any type.
[0]: For each color, put a +1/+1 counter on a creature you control of that color.
[–7]: For each color, search your library for up to one creature card of that color. Put those cards onto the battlefield, then shuffle.

Flash
Flying
When Laughing Bird enters, you may return a creature you control to its owner's hand.

Altar of Chaos enters tapped.
{T}: Add {R}.
{T}: Add {G} or {U}. Altar of Chaos doesn't untap during your next untap step unless you control an Angel creature.

{G}: Each player exiles a card from their graveyard. If an instant or sorcery card is exiled this way, put a +1/+1 counter on Earthfeeder Worm.
Remove X +1/+1 counters from Earthfeeder Worm and sacrifice it: Exile X target cards from graveyards.

Choose target creature you control, then choose two —
• Put a +1/+1 counter on it.
• It gains hexproof until end of turn.
• It can't be blocked this turn.

Draw two cards.
Menagerie — If there are five or more creature types among creatures you control, draw three cards instead.

Valeron Vanguard can't be blocked by 1/1 creatures.

At the beginning of each player's upkeep, Noble's Hedonism deals 1 damage to that player, then that player exiles the top card of their library. Until end of turn, they may play that card.

{X}{G}: Put X +1/+1 counters on target noncreature, nonplaneswalker permanent you control. It becomes an Elemental creature with base power and toughness 0/0 in addition to its other types. (This effect lasts indefinitely.)

{2}{B}, Exile Barbed Cocoon from your graveyard: Create two 1/1 green Insect creature tokens. Activate only as a sorcery.

{T}: Add {C}.
{1}: Hoof Cliff Horngrove becomes a 2/2 Elemental creature until end of turn. It's still a land.
Menagerie — Whenever Hoof Cliff Horngrove becomes a creature, it gains your choice of +1/+1, flying, first strike, lifelink, trample, or haste until end of turn. This ability triggers only if there are five or more creature types among creatures you control.

When target creature you control dies this turn, return that card to the battlefield tapped. Put two +1/+1 counters on it. It becomes renowned.

Whenever Insatiable Student attacks, you may sacrifice an artifact. When you do, tap target creature an opponent controls.

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.”)

Exile the top three cards of your library. When you do, choose one —
• You may play those cards until the end of your next turn.
• Exchange your hand and the exiled cards.

Embellish {5}{U} (If you cast this spell for {5}{U}, create a 1/1 blue Thopter artifact creature token with flying when it enters.)
Retinue Golem gets +1/+1 as long as you control another artifact.

Trample
Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)
Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature
Embody (Enchanted creature is a copy of this card except for its types.)
Whenever Fate of the Brave becomes tapped, it deals 1 damage to each opponent.