Plains

Path of Anger's Flame

Creatures you control get +2/+0 until end of turn.

Oni of Wild Places

Haste
At the beginning of your upkeep, return a red creature you control to its owner's hand.

Sokenzan Spellblade

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
{1}{R}: Sokenzan Spellblade gets +X/+0 until end of turn, where X is the number of cards in your hand.

Descendant of Kiyomaro

As long as you have more cards in hand than each opponent, Descendant of Kiyomaro gets +1/+2 and has "Whenever this creature deals combat damage, you gain 3 life."

Captive Flame

{R}: Target creature gets +1/+0 until end of turn.

Eiganjo Free-Riders

Flying
At the beginning of your upkeep, return a white creature you control to its owner's hand.

Akki Drillmaster

{T}: Target creature gains haste until end of turn.

Kitsune Loreweaver

{1}{W}: Kitsune Loreweaver gets +0/+X until end of turn, where X is the number of cards in your hand.

Moonwing Moth

Flying
{W}: Moonwing Moth gets +0/+1 until end of turn.

Godo's Irregulars

{R}: Godo's Irregulars deals 1 damage to target creature blocking it.

Hand of Honor

Protection from black
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Kiyomaro, First to Stand

Kiyomaro, First to Stand's power and toughness are each equal to the number of cards in your hand.
As long as you have four or more cards in hand, Kiyomaro has vigilance.
Whenever Kiyomaro deals damage, if you have seven or more cards in hand, you gain 7 life.

Mountain

Barrel Down Sokenzan

Sweep — Return any number of Mountains you control to their owner's hand. Barrel Down Sokenzan deals damage to target creature equal to twice the number of Mountains returned this way.

Akki Underling

As long as you have seven or more cards in hand, Akki Underling gets +2/+1 and has first strike.