Holy Strength

Enchant creature
Enchanted creature gets +1/+2.

Plains

Island Sanctuary

If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.

Disenchant

Psionic Entity

{T}: Psionic Entity deals 2 damage to any target and 3 damage to itself.

Conversion

At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}.
All Mountains are Plains.

Lifetap

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

Island

Karma

At the beginning of each player's upkeep, Karma deals damage to that player equal to the number of Swamps they control.

Phantasmal Forces

Flying
At the beginning of your upkeep, sacrifice Phantasmal Forces unless you pay {U}.

Holy Armor

Enchant creature
Enchanted creature gets +0/+2.
{W}: Enchanted creature gets +0/+1 until end of turn.

Serra Angel

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

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Magical Hack

Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)

Segovian Leviathan

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Dancing Scimitar

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

Mesa Pegasus

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)