Rite of the Moth Rite of the Moth is Unburial Rites with a few key differences in mana value
Xenograft and Artificial Evolution already provide one piece of redundancy, and Scourge of Valkas can make another appearance to back up Dragon Tempest
There are a plethora of single target reanimation spells available in black and white, with Animate Dead being one of the most (in)famous
In Return Triumphant's case, it's Recommission

Aarakocra Sneak Acquisitions Expert Aether Theorist Aetherblade Agent Aetherborn Marauder Aethertorch Renegade Agate Instigator Agent of Horizons Agent of Kotis Agent of Treachery Akki Underminer Akul the Unrepentant Aladdin Ali Baba Alley Assailant Alley Strangler Alora, Merry Thief Ambush Party Amphin Cutthroat Annie Flash, the Veteran Anowon, the Ruin Thief Ant-Man, Colony Commander Ant-Man, Elusive Avenger Ant-Man, Reformed Rogue Arala, Hedron Scaler Arms Dealer Astarion, the Decadent Atlantean Skirmisher Audacious Infiltrator Audacious Thief Auntie's Snitch Aven Interrupter Azula, Cunning Usurper Azure Beastbinder Backstreet Bruiser Bala Ged Thief Balustrade Spy Bane Alley Blackguard Bane Alley Broker Baneblade Scoundrel Battlefield Scavenger Beetle, Legacy Criminal Bilbo, Birthday Celebrant Bilbo, Retired Burglar Bill Ferny, Bree Swindler Bitterbloom Bearer Black Cat, Cunning Thief Black Market Tycoon Blackbloom Rogue Blade Juggler Blighted Agent Blightwing Bandit Blood Burglar Blood Hustler Bloodborn Scoundrels Bloodthirsty Aerialist Body Launderer Boggart Arsonists Boggart Forager Boggart Loggers Boiling Rock Rioter Bold Plagiarist Brazen Borrower Brazen Collector Bria, Riptide Rogue Brinebarrow Intruder Burning-Tree Vandal Butch DeLoria, Tunnel Snake Byway Barterer Cache Raiders Cackling Culprit Cackling Prowler

Just think about it -- you can draw two cards each turn without losing any points of loyalty