msem-instigator

Whenever a creature enters the battlefield under your team's control, reveal the top card of your library. If it's a creature card, you gain 2 life.

Search your library for up to two creature cards and reveal them, then shuffle. Put one on the bottom of your library and the rest on top.

Reveal the top four cards of your library. Put up to two creature cards with mana value 3 or less from among them onto the battlefield and the rest into your graveyard.
Prophecy {2}{G} (Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)

Creatures you control get +2/+2 and gain trample until end of turn. If you cast this spell from exile, creatures you control get an additional +2/+2 until end of turn.
Prophecy {2}{G}{G} (Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)

Frenzy 1 (Whenever this creature attacks and isn't blocked, it gets +1/+0 until end of turn.)
Whenever Venomous Haploc becomes blocked, other creatures you control gain deathtouch until end of turn.

[+2]: Create a 1/1 blue Bird creature token with flying.
[–2]: Reveal the top card of your library. If it's an enchantment or land card, put it onto the battlefield. Otherwise, put it in your hand.
[–7]: Draw seven cards.

You may have Better Half enter the battlefield as a copy of any creature on the battlefield, except it's a Reflection in addition to its other creature types and it has distorted. (It can be blocked by tapped creatures but not untapped creatures.)

Trample, haste
When Blazing Fox enters the battlefield, you may tap an untapped creature you control. If you do, Blazing Fox gets +X/+0 until end of turn, where X is that creature's power.

[+1]: Remove up to one loyalty counter from each other planeswalker. Up to one target player loses 1 life for each counter removed this way.
[–1]: For each other player and permanent, remove a counter from it or give it another counter of a kind that permanent or player already has.
[–4]: Put target nonland permanent on the bottom of its owner's library.

At the beginning of your upkeep, choose a creature. Its controller may sacrifice it. If that player doesn't, you gain life equal to its power.

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

Search your library for a creature card, an instant card and a sorcery card and reveal them. Put one of those cards into your hand, exile the rest, then shuffle.

Flying
Whenever an opponent casts a spell, copy it. You may choose new targets for the copy.

At the beginning of each end step, if a creature left the battlefield this turn, you get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)
{2}{W}{U}: When target creature dies this turn, return that card to its owner's hand.

Up to four target creatures gain winnow until end of turn. (Damage dealt to a creature with winnow also causes its controller to lose that much life.)

Up to X target creatures gain winnow until end of turn. (Damage dealt to a creature with winnow also causes its controller to lose that much life.)
Rain of Ruin deals 2 damage to each creature.

You may exile cards you own as you reveal them. (You see the card before you exile it.)
During each of your turns, you may cast a card exiled with Starwing Nebula.

At the beginning of each player's end step, that player chooses from among nonland permanents they control an artifact, a creature, an enchantment, and a planeswalker, then sacrifices the rest.

Attacking creatures have winnow. (Damage dealt to a creature with winnow also causes its controller to lose that much life.)

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.

Until end of turn, gain control of target creature and it gains haste. Untap it.
Fuse (You may cast one or both halves of this card from your hand.)

Creatures you control get +1/+1 and gain trample until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

Whenever target creature deals combat damage to a player this turn, draw two cards.
Fuse (You may cast one or both halves of this card from your hand.)

Target creature gets +2/+2 for each creature blocking it and gains trample until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)