Lore Seeker

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Destroy target tapped creature. You gain 1 life for each creature you control with flying.

Choose target spell or permanent that's red or green. Its owner puts it on the top or bottom of their library.

When Agent of Treachery enters the battlefield, gain control of target permanent.
At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Trample
Other creatures you control have trample.

Agonizing Syphon deals 3 damage to any target and you gain 3 life.

Flying

[+2]: You gain 2 life. Put two +1/+1 counters on up to one target creature.
[–3]: Exile target creature. Its controller gains 2 life.
[–10]: Creatures you control gain flying and double strike until end of turn.

[+1]: You gain life equal to the number of creatures you control plus the number of planeswalkers you control.
[–2]: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate."
[0]: If you have at least 15 life more than your starting life total, exile Ajani, Strength of the Pride and each artifact and creature your opponents control.

When Ancestral Blade enters the battlefield, create a 1/1 white Soldier creature token, then attach Ancestral Blade to it.
Equipped creature gets +1/+1.
Equip {1}

Flying
If you would gain life, you gain that much life plus 1 instead.
Angel of Vitality gets +2/+2 as long as you have 25 or more life.

Enchant creature
When Angelic Gift enters the battlefield, draw a card.
Enchanted creature has flying.

Flying
Whenever one or more creatures you control attack, they gain indestructible until end of turn.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying
First strike

Protection from black
{2}: Exile target card from a graveyard.

Flying
{2}{U}, {T}: Draw two cards, then discard a card.
Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different converted mana costs are revealed this way, that player loses the game.

Whenever Audacious Thief attacks, you draw a card and you lose 1 life.

Whenever you discard a card, exile that card from your graveyard.
{2}, {T}: Draw a card, then discard a card.
{4}, {T}, Sacrifice Bag of Holding: Return all cards exiled with Bag of Holding to their owner's hand.

Barkhide Troll enters the battlefield with a +1/+1 counter on it.
{1}, Remove a +1/+1 counter from Barkhide Troll: Barkhide Troll gains hexproof until end of turn.

Flying

When Battalion Foot Soldier enters the battlefield, you may search your library for any number of cards named Battalion Foot Soldier, reveal them, put them into your hand, then shuffle your library.

Target creature gets -4/-0 until end of turn.
Draw a card.