This spell has lifelink as long as you control a creature with lifelink.
Retaliatory Outburst deals 4 damage to target tapped creature.

Replicated Regiment enters with a +1/+1 counter and a vigilance counter on it.
At the beginning of your upkeep, you may move a counter from Replicated Regiment onto another creature.

Whenever you gain life, you may create a 0/0 colorless Robot artifact creature token with X +1/+1 counters on it, where X is the amount of life you gained. Do this only once each turn.

Approval — When Prismatic Propagandist enters, create X 1/1 colorless Soldier creature tokens, where X is the number of colors among permanents you control.

Enchant nonland permanent
Whenever a nonland permanent you control enters, if its mana value is greater than enchanted permanent's, exile enchanted permanent.

Flying
Whenever you attack, target attacking creature gets +1/+1 until end of turn. If you control a green permanent, instead put a +1/+1 counter on that creature.

When Overbearing Researcher enters, put a +1/+1 counter on target creature.
Each creature you control has ward {X}, where X is the number of counters on that creature.

When Minister of Utility enters, make a pledge.
{2}, Sacrifice a Clique: Make a pledge.

When Mellan, Defense Attorney enters, make a pledge.
{T}: Choose a color from among other permanents you control. Another target creature you control gains hexproof from that color until end of turn. It can't be blocked by creatures of that color this turn.

Target creature gains indestructible until end of turn. Teach it lifelink.

Whenever Magnetic Rhetorician attacks, make a pledge.

Lifelink
Whenever Laboratory Mentor attacks, teach target attacking creature with lesser power lifelink.

Distribute two +1/+1 counters among one or two target creatures you control. Then if {G} was spent to cast this spell, put a lifelink counter on one of those creatures. Then if {U} was spent to cast this spell, put a vigilance counter on one of those creatures.

Draw a card, gain 3 life, then make a pledge.
If you've cast four or more spells named Incumbency this game and there are five colors among permanents you control, you win the game.

Enchant creature
Enchanted creature has defender.
Approval — {2}: Exile enchanted creature if its power is less than or equal to the number of colors among permanents you control.

Flash
When Getaway Proxy enters, you may choose another creature you control. Move any number of counters from that creature onto Getaway Proxy. Attach to Getaway Proxy any number of Auras that are attached to that creature. Then return that creature to its owner's hand.

At the beginning of combat on your turn, you may pay {X}. When you do, choose up to X. Each mode must have different targets.
• Teach target creature flying.
• Teach target creature lifelink.
• Teach target creature vigilance.

When Enforcer's Baton enters, create a 1/1 colorless Soldier creature token, then attach Enforcer's Baton to it.
Equipped creature gets +2/+1 and has vigilance.
Equip {4}

Lifelink
When Eager Voter enters, make a pledge.

At the beginning of each combat, until end of turn, creatures you control have base power equal to the greatest base power among creatures you control and have base toughness equal to the greatest base toughness among creatures you control.

When Distributive Justice enters, distribute three +1/+1 counters among any number of target creatures you control.
You control three or more creatures with the same power.
You control three or more creatures with the same toughness.

Flying
{1}, {T}: Surveil 1. This ability costs {1} less to activate if you control a blue permanent.

Choose one —
• Return target artifact or enchantment card from your graveyard to your hand.
• Destroy target artifact or enchantment.

Lifelink
Approval — {5}, {T}: Tap target creature. This ability costs {X} less to activate, where X is the number of colors among permanents you control.

Defender
{3}{W}, {T}, Sacrifice Border Junction: Create three 1/1 colorless Soldier creature tokens. Activate only as a sorcery.