Sentinel

{0}: Change Sentinel's base toughness to 1 plus the power of target creature blocking or blocked by Sentinel. (This effect lasts indefinitely.)

Spirit Link

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Kismet

Artifacts, creatures, and lands your opponents control enter tapped.

Thunder Spirit

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Osai Vultures

Flying
At the beginning of each end step, if a creature died this turn, put a carrion counter on Osai Vultures.
Remove two carrion counters from Osai Vultures: Osai Vultures gets +1/+1 until end of turn.

Plains

Clergy of the Holy Nimbus

If Clergy of the Holy Nimbus would be destroyed, regenerate it.
{1}: Clergy of the Holy Nimbus can't be regenerated this turn. Only your opponents may activate this ability.

Karakas

{T}: Add {W}.
{T}: Return target legendary creature to its owner's hand.

Nova Pentacle

{3}, {T}: The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature of an opponent's choice instead.

Tundra Wolves

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