Stone-Seeder Hierophant

Landfall — Whenever a land you control enters, untap this creature.
{T}: Untap target land.

Guilty Conscience

Enchant creature
Whenever enchanted creature deals damage, this Aura deals that much damage to that creature.

Avenging Druid

Whenever this creature deals damage to an opponent, you may reveal cards from the top of your library until you reveal a land card. If you do, put that card onto the battlefield and put all other cards revealed this way into your graveyard.

Coalhauler Swine

Whenever this creature is dealt damage, it deals that much damage to each player.

Rile

Rile deals 1 damage to target creature you control. That creature gains trample until end of turn.
Draw a card.

Psionic Gift

Enchant creature
Enchanted creature has "{T}: This creature deals 1 damage to any target."

Take Up the Shield

Put a +1/+1 counter on target creature. It gains lifelink and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)