As an additional cost to cast this spell, return a permanent you control to its owner's hand.
Counter target spell.

: Disciple of the Old Ways gains first strike until end of turn.

When Disinformation Campaign enters the battlefield, you draw a card and each opponent discards a card.
Whenever you surveil, return Disinformation Campaign to its owner's hand.

Enchant creature
When Dragon Mantle enters the battlefield, draw a card.
Enchanted creature has ": This creature gets +1/+0 until end of turn."

Whenever a Swamp enters the battlefield under your control, choose one —
• You draw a card and you lose 1 life.
• Dread Presence deals 2 damage to any target and you gain 2 life.

When Drownyard Explorers enters the battlefield, investigate. (Create a colorless Clue artifact token with ", Sacrifice this artifact: Draw a card.")

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Elgaud Shieldmate is paired with another creature, both creatures have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Haste
: Ember-Eye Wolf gets +2/+0 until end of turn.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Trample, haste

When Entourage of Trest enters the battlefield, you become the monarch.
Entourage of Trest can block an additional creature each combat as long as you're the monarch.

Equipped creature has intimidate. (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

, : Tap target creature.

Whenever Firedrinker Satyr is dealt damage, it deals that much damage to you.
: Firedrinker Satyr gets +1/+0 until end of turn and deals 1 damage to you.

As long as it's your turn, Fresh-Faced Recruit has first strike.

Target creature's controller reveals a card at random from their hand. Friendly Fire deals damage to that creature and that player equal to the revealed card's converted mana cost.

Counter target spell unless its controller pays . That player discards a card.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Geist Trappers is paired with another creature, both creatures have reach.

Kicker (You may pay an additional as you cast this spell.)
When Ghitu Chronicler enters the battlefield, if it was kicked, return target instant or sorcery card from your graveyard to your hand.

Enchant creature
When Glaring Aegis enters the battlefield, tap target creature an opponent controls.
Enchanted creature gets +1/+3.