Create two tokens that are copies of target creature. Put a ward {2} counter on one of those tokens and a flying counter on the other.

Scry 3, then draw three cards.
If this spell's flashback cost was paid, take an extra turn after this one.
Flashback {7}{U}{U}

When Elder Soulblade enters, search your library and/or graveyard for a creature card with mana value 2 or less. Put that card onto the battlefield, attach Elder Soulblade to it. If you searched you library this way, shuffle.
Equipped creature gets +3/+1 and has menace.
Equip {5}

Draw a card.
Make a pledge, then make a pledge again.

When Electromagnetic Geode enters, draw a card.
{2}, {T}, Sacrifice Electromagnetic Geode: Add two mana of different colors.

Choose one —
• Elektes's Charge deals 2 damage to each creature that's not enchanted.
• Up to two target creatures you control each get +2/+0 and gain trample until end of turn.

Exile target creature you control, then return that card to the battlefield under your control with an additional +1/+1 counter on it.

{1}, Exile a permanent card from your graveyard: Surveil 2.
{2}, Exile two permanent cards from your graveyard: Draw a card.
{5}, Exile five permanent cards from your graveyard: Exchange your hand and graveyard.

Exile the top four cards of your library. You may play them until you play a card not exiled this way.

Whenever you amp it up, creatures you control get +1/+0 until end of turn.

Target creature gains protection from the color of your choice until end of turn. Scry 1.

Return up to three target creature cards from graveyards to the battlefield under your control.
Flashback—{2}{B}{B}, Sacrifice three creatures.

You gain 3 life, scry 2, then draw a card.

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}

When Enlightenment enters, draw a card for each color of mana spent to cast it.
You have no maximum hand size.

Enchant creature
When Enrapturing Lights enters, untap enchanted creature. It gains haste until end of turn.
You control enchanted creature.

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn.

Enchant creature
When Enter the Moshpit enters, create a 2/1 red Zombie creature token with menace.
Enchanted creature gets +2/+1 and has menace.

Choose one. If your devotion to white is three or greater, you may choose another. The same is true for devotion to blue.
• Counter target spell.
• Target player draws a card.
• Target player gains 4 life.

Ephemeral Mire enters tapped.
{T}: Add {U} or {B}.
{4}{U/B}: Until end of turn, Ephemeral Mire becomes a 3/2 black and blue Horror creature until end of turn and can't be blocked this turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to black and blue. Activate only once each turn.

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.

Enchant land
Enchanted land has “{T}: Add {G}{G}.”

Exile target nonland permanent if its mana value is less than or equal to your devotion to white.

Target creature gets +X/+0 and gains trample until end of turn.
Draw a card.

Target creature gets +X/+X until end of turn. It must be blocked each combat this turn if able.