[+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 (: Attach to target creature you control. Equip only as a sorcery.)

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 (This creature can't be blocked except by creatures with flying or reach.)
Whenever one or more creatures you control attack, they gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

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 (This creature deals combat damage before creatures without first strike.)

Protection from black (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything black.)
: Exile target card from a graveyard.

Flying
, : 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.
, : Draw a card, then discard a card.
, , 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.
, Remove a +1/+1 counter from Barkhide Troll: Barkhide Troll gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Flying (This creature can't be blocked except by creatures with flying or reach.)

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.

Whenever an Angel enters the battlefield under your control, you gain 4 life.
Whenever an Angel you control dies, create a 1/1 white Spirit creature token with flying.

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

Protection from green (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything green.)
Creatures your opponents control can't have +1/+1 counters put on them.