Ensouled Scimitar

{3}: Ensouled Scimitar becomes a 1/5 Spirit artifact creature with flying until end of turn. (Equipment that's a creature can't equip a creature.)
Equipped creature gets +1/+5.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Crenellated Wall

Defender (This creature can't attack.)
{T}: Target creature gets +0/+4 until end of turn.

Heartless Summoning

Creature spells you cast cost {2} less to cast.
Creatures you control get -1/-1.

Proper Burial

Whenever a creature you control dies, you gain life equal to that creature's toughness.

Disciple of Griselbrand

{1}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

Idyllic Tutor

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

Animal Boneyard

Enchant land
Enchanted land has "{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness."

Primal Rage

Creatures you control have trample. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)