msem-instigator

Colossal 5—{8}{W}{W} (You may cast this for its colossal cost to have it enter with five +1/+1 counters; or pay {8}{W}{W} as a sorcery: Put five +1/+1 counters on it if it has none.)
Ward {5}
When Hekaton Dismantler's colossal ability puts one or more counters on it, tap each creature you don't control. Those creatures don't untap during their controller's next 100 untap steps.

Indestructible
As long as your devotion to white is less than five, Heliod isn't a creature.
If an effect would create one or more kinds of tokens under your control, it creates an additional token of each kind.
{3}{W}: Put a +1/+1 counter on each other creature you control. Activate only as a sorcery.

Enchant creature you control
When Heliod's Benefaction enters, scry 2.
Enchanted creature gets +1/+1 and has lifelink.

Whenever you scry, you gain life equal to the number of cards looked at while scrying this way.

Colossal 2—{6}{W}{W} (You may cast this for its colossal cost to have it enter with two +1/+1 counters; or pay {6}{W}{W} as a sorcery: Put two +1/+1 counters on it if it has none.)
When Heroes' Adversary's colossal ability puts one or more counters on it, exile target creature an opponent controls until Heroes' Adversary leaves the battlefield.

Exile target creature or enchantment. You gain 3 life.

Vigilance
When Lagonna-Band Mentor enters, create a 1/1 white Soldier creature token.

{3}{W}{W}, Exile Leonin Insurgent from your graveyard: Create two 2/2 white Cat Soldier creature tokens. Activate only as a sorcery.

When Meletis Oracle enters, scry 1, then draw a card.

Heroic — Whenever you cast a spell that targets Meletis Stargazer, scry 2.
{T}: Look at the top card of your library. If it's a permanent card with mana value 3 or less, you may reveal it and put it into your hand.

Enchant creature you control
When Military Authority enters, create two 1/1 white Soldier creature tokens.
Enchanted creature gets +2/+2.

Target creature gets +2/+2 until end of turn. You gain 2 life.

Flying
When Morningheart Griffin dies, return target enchantment card from your graveyard to your hand.

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] You gain 1 life.
[Lore III] Target creature you control gains first strike until end of turn.

Whenever an enchantment you control enters, draw a card. This ability triggers only once each turn.
As long as you control three or more enchantments, Nykthos Enchantress gets +2/+2 and has vigilance.

This spell costs {1} less to cast for each enchantment you control.
Destroy all creatures.

Oreskos Warden has lifelink as long as you control an enchantment.

When Pantheon Breaker enters, each opponent sacrifices an enchantment.

Enchant creature
When Philosophical Conundrum enters, scry 1.
Enchanted creature can't attack or block.

Flash
When Purehorn Rescuer enters, return target permanent card with mana value X or less from your graveyard to the battlefield, where X is your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

Enchant creature you control
When Rise of Heroes enters or enchanted creature dies, search your library for a creature or planeswalker card with mana value 3 or less, reveal it, put it into your hand, then shuffle.
Enchanted creature gets +1/+1 for each creature and/or planeswalker you control.

Flash
Enchant creature
Enchanted creature gets +1/+1 for each enchantment you control.

When Sun-Blessed Hoplite enters, target creature you control gets +X/+X until end of turn, where X is your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

Destroy target tapped creature.

Double strike
Whenever an Equipment you control enters, create a 3/3 white Archon creature token with flying and attach that Equipment to that token.