Dragonfire Blade

Equipped creature gets +2/+2 and has hexproof from monocolored.
Equip {4}. This ability costs {1} less to activate for each color of the creature it targets.

Static Snare

Flash
This spell costs {1} less to cast for each attacking creature.
When this enchantment enters, exile target artifact or creature an opponent controls until this enchantment leaves the battlefield.

United Battlefront

Look at the top seven cards of your library. Put up to two noncreature, nonland permanent cards with mana value 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Starry-Eyed Skyrider

Flying
Whenever this creature attacks, another target creature you control gains flying until end of turn.
Attacking tokens you control have flying.

Clarion Conqueror

Flying
Activated abilities of artifacts, creatures, and planeswalkers can't be activated.

Wail of War

Choose one —
• Creatures target opponent controls get -1/-1 until end of turn.
• Return up to two target creature cards from your graveyard to your hand.

The Sibsig Ceremony

Creature spells you cast cost {2} less to cast.
Whenever a creature you control enters, if you cast it, destroy that creature, then create a 2/2 black Zombie Druid creature token.

Naga Fleshcrafter

You may have this creature enter as a copy of any creature on the battlefield.
Renew — {2}{U}, Exile this card from your graveyard: Put a +1/+1 counter on target nonlegendary creature you control. Each other creature you control becomes a copy of that creature until end of turn. Activate only as a sorcery.

Taigam, Master Opportunist

Flurry — Whenever you cast your second spell each turn, copy it, then exile the spell you cast with four time counters on it. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)

Perennation

Return target permanent card from your graveyard to the battlefield with a hexproof counter and an indestructible counter on it.

Yathan Tombguard

Menace (This creature can't be blocked except by two or more creatures.)
Whenever a creature you control with a counter on it deals combat damage to a player, you draw a card and you lose 1 life.

Worthy Cost

As an additional cost to cast this spell, sacrifice a creature.
Exile target creature or planeswalker.

Rite of Renewal

Return up to two target permanent cards from your graveyard to your hand. Target player shuffles up to four target cards from their graveyard into their library. Exile Rite of Renewal.

Duty Beyond Death

As an additional cost to cast this spell, sacrifice a creature.
Creatures you control gain indestructible until end of turn. Put a +1/+1 counter on each creature you control. (Damage and effects that say "destroy" don't destroy those creatures.)

Heritage Reclamation

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile up to one target card from a graveyard. Draw a card.