A Proposed Expansion to WOTC's Magic: The Gathering

Apprentice Alchemist
(Common 1 × 3)
2W
Summon Wizard, 1/1
2, Tap: Prevent up to two damage to target creature or player.
[v1]
[v2]
[v3]

Blessed Protection
(Common 1 × 3)
XXW
Instant
Prevent one damage each to X+1 target creatures.
[v1]
[v2]
[v3]

Blessed Sanctuary
(Common 1 × 3)
WW
Enchant Creature
Damage done to target creature by all other creatures is reduced to 0. Damage done by target creature onto any other creature is reduced to 0.
[v1]
[v2]
[v3]

Boon to the Faithful
(Uncommon 3)
WW
Interrupt
Add X colorless mana to your mana pool, where X is the number of white permanents you control. Remove Boon to the Faithful from the game.

Bountiful Harvest
(Uncommon 1)
XXW
Instant
Gain X+1 life points.
The City of Riversmouth, with her fertile farmlands and rich fishing, was the bread basket for herself and her neighbors.

Citadel
(Uncommon 1)
3WWW
Summon Wall, */*
Citadel has power and toughness equal to one-half the total number of heroes, knights, and paladins in play that you control, rounding down for power and up for toughness.
"A fortress is only as strong as the soldiers defending it." -- Sir Prando of the Gryphon

City Guard
(Common 1 × 3)
1W
Summon Wall, 1/3
Banding
0: First strike until end of turn. You may use this only if creature blocked by City Guard has first strike.
[v1] "They're some of my best customers, and they keep the other customers from getting too rowdy." -- Arvo Berensen, innkeeper
[v2]
[v3]

Errant Champion
(Uncommon 1)
2WWW
Summon Paladin, 3/3
Protection from black, protection from red, first strike

Farmers of Riversmouth
(Common 1 × 3)
2W
Summon Townsfolk, 1/1
Bury Farmers of Riversmouth if at any time you do not control any forests.
1W, Tap: Gain 1 life.
G, Tap: Gain 1 life.
[v1]
[v2]
[v3]

Fishermen of Riversmouth
(Common 1 × 3)
2W
Summon Townsfolk, 1/1
Bury Fishermen of Riversmouth if at any time you do not control any islands.
1W, Tap: Gain 1 life.
U, Tap: Gain 1 life.
[v1]
[v2]
[v3]

Garrison
(Common 1 × 3)
1WW
Summon Wall, 0/X+2
When Garrison is first cast, X is 0. At the beginning of your upkeep, chose the new value for X, and then either pay X mana or bury Garrison.
[v1]
[v2]
[v3]

Holy Saint
(Uncommon 1)
2WWW
Summon Saint, 0/2
Protection from black, protection from red
XX, Tap: Prevent one damage each to X+1 target creatures.
XX, Tap: Prevent X+1 damage to target creature or player.

Knight Aspirant
(Common 1 × 3)
1W
Summon Knight, 1/1
Protection from black, banding
[v1] After several years of instruction and service as a squire, the candidate for knighthood would be elevated to the probationary rank of Knight Aspirant.
[v2] A Knight Aspirant could be elevated to full knighthood in as few as three years, if he fulfilled his duties well.
[v3]

Order of the Gryphon
(Uncommon 1)
WW
Summon Knights, 2/2
Protection from black, banding
Prando's knights defended Riversmouth and her people from Valko's invading armies as well as from Allaryn's nightmarish legions and the unholy forces marshaled by Tralos.

Tournament Day
(Uncommon 2)
XXWWW
Sorcery
Bring X+1 Hero tokens into play. Treat these tokens as 1/1 white creatures with banding. Remove Tournament Day from the game.