Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

+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.

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.

{T}: Add one mana of any color in your commander's color identity.

Target creature gets +2/+2 until end of turn.

Addendum -- If you cast this spell during your main phase, that creature gains flying until end of turn.

Target attacking creature gets +2/+2 until end of turn. Each attacking non-Human creature gains trample until end of turn.

Put a +1/+1 counter on target creature. That creature gains first strike until end of turn. You gain 2 life.

Lifelink

Beloved Princess can't be blocked by creatures with power 3 or greater.

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.)

Whenever Burning-Tree Vandal attacks, you may discard a card. If you do, draw a card.

{T}: Add one mana of any color in your commander's color identity.

Whenever you gain life, you may pay {2}. If you do, draw a card.

{3}{W}: Create a 1/1 white Soldier creature token with lifelink.

Target creature gets +1/+0 until end of turn.

Draw a card.

Target creature gets +2/+2 and gains flying until end of turn. You gain 2 life.

Vigilance (Attacking doesn't cause this creature to tap.)

As Diamond Knight enters the battlefield, choose a color.

Whenever you cast a spell of the chosen color, put a +1/+1 counter on Diamond Knight.

Trample

Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Flash

This spell costs {1} less to cast for each attacking creature you control.

When Embercleave enters the battlefield, attach it to target creature you control.

Equipped creature gets +1/+1 and has double strike and trample.

Equip {3}

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Flying

Whenever you cast an instant or sorcery spell that targets a creature you control, exile that card instead of putting it into your graveyard as it resolves. If you do, return it to your hand at the beginning of the next end step.

As long as it's your turn, Gideon Blackblade is a 4/4 Human Soldier creature with indestructible that's still a planeswalker.

Prevent all damage that would be dealt to Gideon Blackblade during your turn.

+1: Up to one other target creature you control gains your choice of vigilance, lifelink, or indestructible until end of turn.

-6: Exile target nonland permanent.

Put a +1/+1 counter on each of up to two target creatures.

Target creature you control gains protection from the color of your choice until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything of that color.)

Scry 1.

Flying

Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}: Add {C}.

{1}, {T}: Add one mana of any color. If that mana is spent on a multicolored creature spell, that creature enters the battlefield with an additional +1/+1 counter on it.

Indestructible

As long as your devotion to white is less than five, Heliod isn't a creature.

Whenever you gain life, put a +1/+1 counter on target creature or enchantment you control.

{1}{W}: Another target creature gains lifelink until end of turn.

As Heraldic Banner enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+0.

{T}: Add one mana of the chosen color.

({T}: Add {W}.)

Idyllic Grange enters the battlefield tapped unless you control three or more other Plains.

When Idyllic Grange enters the battlefield untapped, put a +1/+1 counter on target creature you control.

Choose target creature you control and target creature you don't control. The creature you control gets +2/+1 until end of turn if it's a Knight. Then those creatures fight each other. (Each deals damage equal to its power to the other.)

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

Vigilance

Whenever a white creature you control attacks, you gain 1 life.

Target creature gets +2/+2 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin.

Remove three +1/+1 counters from Runaway Steam-Kin: Add {R}{R}{R}.

({T}: Add {R} or {W}.)

As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Target creature gets +2/+1 and gains haste until end of turn. Scry 1.

Equipped creature gets +1/+1 and has trample and lifelink.

{1}: Permanents your opponents control lose hexproof and indestructible until end of turn.

Equip {2}

Whenever you cast a noncreature spell, put a +1/+1 counter on Spellgorger Weird.

Reach, trample, protection from multicolored

Stonecoil Serpent enters the battlefield with X +1/+1 counters on it.

Target creature gets +2/+2 until end of turn. You gain 1 life for each attacking creature you control.

Haste

Whenever you cast a spell that targets Tenth District Legionnaire, put a +1/+1 counter on Tenth District Legionnaire, then scry 1.

Exile target artifact or enchantment.

Draw a card.

Whenever you gain life, put a +1/+1 counter on Twinblade Paladin.

As long as you have 25 or more life, Twinblade Paladin has double strike. (It deals both first-strike and regular combat damage.)

Creatures you control gain indestructible until end of turn.

Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

At the beginning of your upkeep, put a +1/+1 counter on each other creature you control.

Wind-Scarred Crag enters the battlefield tapped.

When Wind-Scarred Crag enters the battlefield, you gain 1 life.

{T}: Add {R} or {W}.