Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

Flying Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) When this creature dies, put a +1/+1 counter on each white creature you control.

Mikaeus enters with X +1/+1 counters on it. {T}: Put a +1/+1 counter on Mikaeus. {T}, Remove a +1/+1 counter from Mikaeus: Put a +1/+1 counter on each other creature you control.

Whenever you gain life, you may put that many +1/+1 counters on each creature you control. Do this only once each turn.

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.

Flying {3}{W}: Put a +1/+1 counter on another target creature with flying.

Whenever another creature you control enters, you gain 1 life.

Flying Vigilance (Attacking doesn't cause this creature to tap.)

When Urdnan enters, put a +1/+1 counter on target creature. Whenever you attack, target attacking creature with a +1/+1 counter on it gains first strike until end of turn. If that creature has two or more +1/+1 counters on it, it gains double strike until end of turn instead.

Whenever you gain life, target opponent loses that much life.

Whenever you cast a historic spell, draw a card. Basim Ibn Ishaq can't be blocked this turn. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic.) Whenever Basim Ibn Ishaq deals combat damage to a player, put a +1/+1 counter on it.

Draw three cards.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creature's power.

Tap target creature. Its controller mills two cards. That creature doesn't untap during its controller's next untap step. (They put the top two cards of their library into their graveyard.) Draw a card.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature attacks, tap target creature defending player controls."

Lydia Frye can't be blocked by creatures with power 3 or greater. At the beginning of your end step, surveil X, where X is the number of tapped Assassins you control. (Look at the top X cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

This creature can't be blocked.

{T}: Add one mana of any color in your commander's color identity.

({T}: Add {U} or {B}.) This land enters tapped.

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle. Cycling {W}{U}{B} ({W}{U}{B}, Discard this card: Draw a card.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

This land enters tapped. {T}: Add {W} or {B}.

({T}: Add {U}.)

({T}: Add {W}.)

This land enters tapped. {T}: Add {U} or {B}.

({T}: Add {W} or {B}.) This land enters tapped.

({T}: Add {B}.)

Whenever an opponent loses life, you gain that much life.

Flying Creatures you control with flying have "Spells your opponents cast that target this creature cost {2} more to cast."

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Creatures you control get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

You may pay {W} and tap four untapped creatures you control with flying rather than pay this spell's mana cost. Flying, lifelink Other creatures you control with flying have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Enchant creature Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

Put a +1/+1 counter on each of up to two target creatures.

Enchant creature Enchanted creature has "Whenever this creature attacks alone, it gets +X/+X until end of turn, where X is the number of nonland permanents you control."

{T}: Add one mana of any color in your commander's color identity.

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

Commanders you control have ward {2}. {T}: Add {W}{W}. Spend this mana only to cast Aura and/or Equipment spells. {T}: Attach target Aura or Equipment you control to target creature you control. Activate only as a sorcery.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

Flying, vigilance Each other Angel you control enters with an additional +1/+1 counter on it for each Angel you already control. {T}: Add {W}. Spend this mana only to cast an Angel spell.

When this creature enters, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}{C}.

Enchantment spells you cast cost {1} less to cast. Whenever an enchantment you control is put into a graveyard from the battlefield, put a +1/+1 counter on this creature.

Equipped creature gets +2/+2 and has protection from black and from green. Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control. Equip {2}

Return up to two target creature cards from your graveyard to your hand, then discard a card.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Return all legendary permanent cards from your graveyard to the battlefield.

Flash When this creature enters, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

This spell costs {2} less to cast during your end step. Destroy target creature or planeswalker you don't control. Put a +1/+1 counter on up to one target creature you control.

Destroy all creatures.

Destroy target creature. You lose 2 life.

Choose one — • You gain 4 life. • Destroy target enchantment. • Put a +1/+1 counter on target creature.

Counter target noncreature spell.

Choose one — • Exile each creature with power greater than the number of cards in your hand. • Exile each creature with power less than the number of cards in your hand.

Choose one — • Return target multicolored permanent card with mana value 3 or less from your graveyard to the battlefield tapped. • Counter target instant or sorcery spell. • Destroy target creature or planeswalker with mana value 3 or less.

Enchant creature Enchanted creature can't attack or block.

Vigilance Adeline's power is equal to the number of creatures you control. Whenever you attack, for each opponent, create a 1/1 white Human creature token that's tapped and attacking that player or a planeswalker they control.

When this Equipment enters, create a 1/1 white Soldier creature token, then attach this Equipment to it. Equipped creature gets +1/+1. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Enchant creature Enchanted creature has vigilance and "At the beginning of your end step, create a 1/1 white Human creature token."

Creatures you control have deathtouch. Creatures your opponents control lose deathtouch and can't have or gain deathtouch.

Flash As this artifact enters, choose a card name. Spells with the chosen name cost {3} more to cast. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Draw a card for each Island you control, then discard two cards.

When this creature enters, put a +1/+1 counter on each of up to two target creatures.

When this creature dies, create a 3/3 blue Fish creature token with "When this token dies, create a 6/6 blue Whale creature token with 'When this token dies, create a 9/9 blue Kraken creature token.'"