Blood Rites

, Sacrifice a creature: Blood Rites deals 2 damage to any target.

Krark-Clan Ogre

, Sacrifice an artifact: Target creature can’t block this turn.

Mycosynth Golem

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Artifact creature spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)

Lunar Avenger

Sunburst (This enters with a +1/+1 counter on it for each color of mana spent to cast it.)
Remove a +1/+1 counter from Lunar Avenger: Lunar Avenger gains your choice of flying, first strike, or haste until end of turn.

Pulse of the Forge

Pulse of the Forge deals 4 damage to target player or planeswalker. Then if that player or that planeswalker’s controller has more life than you, return Pulse of the Forge to its owner’s hand.

Tel-Jilad Wolf

Whenever Tel-Jilad Wolf becomes blocked by an artifact creature, Tel-Jilad Wolf gets +3/+3 until end of turn.

Pulse of the Dross

Target player reveals three cards from their hand and you choose one of them. That player discards that card. Then if that player has more cards in hand than you, return Pulse of the Dross to its owner’s hand.

Pulse of the Fields

You gain 4 life. Then if an opponent has more life than you, return Pulse of the Fields to its owner’s hand.

Titanium Golem

: Titanium Golem gains first strike until end of turn.

Empyrial Plate

Equipped creature gets +1/+1 for each card in your hand.
Equip

Cobalt Golem

: Cobalt Golem gains flying until end of turn.

Blanchwood Armor

Enchant creature
Enchanted creature gets +1/+1 for each Forest you control.

Call of the Wild

: Reveal the top card of your library. If it’s a creature card, put it onto the battlefield. Otherwise, put it into your graveyard.