Core Set 2021

Angelic Ascension | Instant | | Exile target creature or planeswalker. Its controller creates a 4/4 white Angel creature token with flying. | Volkan Baǵa

Aven Gagglemaster | Creature | Bird Warrior | Flying When Aven Gagglemaster enters the battlefield, you gain 2 life for each creature you control with flying. | Mike Bierek

Basri's Solidarity | Sorcery | | Put a +1/+1 counter on each creature you control. | Paul Scott Canavan

Faith's Fetters | Enchantment | Aura | Enchant permanent When Faith's Fetters enters the battlefield, you gain 4 life. Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities. | Kev Walker

Falconer Adept | Creature | Human Soldier | Whenever Falconer Adept attacks, create a 1/1 white Bird creature token with flying that's tapped and attacking. | Billy Christian

Griffin Aerie | Enchantment | | At the beginning of your end step, if you gained 3 or more life this turn, create a 2/2 white Griffin creature token with flying. | Milivoj Ćeran

Light of Promise | Enchantment | Aura | Enchant creature Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature." | Cristi Balanescu

Sanctum of Tranquil Light | Legendary Enchantment | Shrine | {5}{W}: Tap target creature. This ability costs {1} less to activate for each Shrine you control. | Johannes Voss

Seasoned Hallowblade | Creature | Human Warrior | Discard a card: Tap Seasoned Hallowblade. It gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) | Manuel Castañón

Selfless Savior | Creature | Dog | Sacrifice Selfless Savior: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) | Ralph Horsley

Siege Striker | Creature | Human Soldier | Double strike (This creature deals both first-strike and regular combat damage.) Whenever Siege Striker attacks, you may tap any number of untapped creatures you control. Siege Striker gets +1/+1 until end of turn for each creature tapped this way. | Zoltan Boros

Tempered Veteran | Creature | Human Knight | {W}, {T}: Put a +1/+1 counter on target creature with a +1/+1 counter on it. {4}{W}{W}, {T}: Put a +1/+1 counter on target creature. | Izzy

Vryn Wingmare | Creature | Pegasus | Flying Noncreature spells cost {1} more to cast. | Seb McKinnon

Watcher of the Spheres | Creature | Bird Wizard | Flying Creature spells with flying you cast cost {1} less to cast. Whenever another creature with flying enters the battlefield under your control, Watcher of the Spheres gets +1/+1 until end of turn. | G-host Lee

Indulging Patrician | Creature | Vampire Noble | Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.) At the beginning of your end step, if you gained 3 or more life this turn, each opponent loses 3 life. | Miranda Meeks

Alpine Houndmaster | Creature | Human Warrior | When Alpine Houndmaster enters the battlefield, you may search your library for a card named Alpine Watchdog and/or a card named Igneous Cur, reveal them, put them into your hand, then shuffle. Whenever Alpine Houndmaster attacks, it gets +X/+0 until end of turn, where X is the number of other attacking creatures. | Mark Behm

Conclave Mentor | Creature | Centaur Cleric | If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead. When Conclave Mentor dies, you gain life equal to its power. | Raoul Vitale