Ward {2}
{U}: Spells you cast this turn can be cast as though they had flash.

Counter target noncreature spell. Search its controller's graveyard, hand, and library for any number of cards with the same name as that spell and exile them. That player shuffles, then draws a card for each card exiled from their hand this way.

{4}{B}{B}, Exile Begin the Imperial Era from your hand: At the beginning of your next upkeep, you may cast Begin the Imperial Era from exile without paying its mana cost. Activate only as a sorcery.
You draw three cards and each opponent discards three cards. Each player loses 3 life.

Flash
Ward {3}
You may reveal the second card you draw each turn as you draw it. When you do, you may cast it without paying its mana cost. If you didn't cast a spell this way, create two Treasure tokens.

Return any number of target creature cards with total mana value twice X or less from your graveyard to the battlefield. They're artifacts in addition to their other types.

Equipped creature gets +1/+2 and has “At the beginning of your end step, put a time counter on Blade of Bright Futures.”
{2}, Sacrifice Blade of Bright Futures: You gain X life and draw X cards, where X is one plus the number of time counters on it. Activate only as a sorcery.
Equip {2}

Equipped creature gets +2/+1 and has “At the beginning of your end step, put a time counter on Blade of Clouded Pasts.”
{2}, Sacrifice Blade of Clouded Pasts: Target player loses X life and discards X cards, where X is one plus the number of time counters on it. Activate only as a sorcery.
Equip {2}

Enchant player
Enchanted player may cast blue spells with mana value less than or equal to their devotion to blue without paying their mana costs.

Flash
When Blind Keelah enters the battlefield and whenever you cast a spell during an opponent's turn, each opponent loses 1 life and you surveil 1. This ability triggers only once each turn.

Flying, haste
When Blistering Cryophoenix enters the battlefield, discard any number of cards, then draw that many cards.
If a spell you own which had its flashback cost paid would be put into exile, put it into your hand instead.

Trample, haste
Revolt — At the beginning of your end step, sacrifice Bloodfrenzied Vanguard unless another permanent you controlled left the battlefield this turn.

Once each turn, when you play a card from anywhere but your hand, you may create a tapped Treasure token.
{2}{R}: Level 2
At the beginning of your upkeep, exile the top card of your library. You may play that card this turn.
{3}{R}: Level 3
Whenever another permanent you control leaves the battlefield, this Class deals 1 damage to any target.

Trample
Breaking Ground must be blocked if able.
{T}: Add {C}.
Spellcharge 9

Each player discards their hand, then draws seven cards. Add {R}{R}{R}.

You may cast this spell by paying {1}{R}{R} and exiling X cards with flashback from your graveyard rather than paying its mana cost.
Bring Down the Sky deals X damage to each creature and each planeswalker.

{1}{W}{W}, Exile Bring the House Down from your hand: At the beginning of your next upkeep, you may cast Bring the House Down from exile without paying its mana cost. Activate only as a sorcery.
Destroy all creatures.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. If this spell's flashback cost was paid, instead search your library for any number of land cards, put them onto the battlefield tapped, then shuffle.
Flashback {3}{W}{U}{B}{R}{G}

Vigilance
Whenever Builder of Monuments enters the battlefield or attacks, put a build counter on it.
{T}, Remove X build counters from Builder of Monuments: Search your library for an artifact or enchantment card with mana value X or less, put it onto the battlefield, then shuffle.

Buried Colossus enters the battlefield tapped.
{T}: Add {G} or {W}.
{8}{G/W}: Buried Colossus becomes a 8/8 green and white Cyclops creature until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to green and white. Activate only once each turn.

All spells cost {1} more to cast.
Spellcharge 6

Search your library for a basic land card, put that card onto the battlefield, then shuffle. Burning Roots deals X damage to any target, where X is the number of basic land types among lands you control.

When Burning Wisdom enters the battlefield, exile the top card of your library. You may play it until end of turn.
Whenever a source you control deals noncombat damage to an opponent, exile Burning Wisdom. You may play it during your next turn.

Flying, haste
Whenever you cast an instant or sorcery spell with mana value 4 or greater, you may return Burning Witch to its owner's hand. If you do, copy that spell. You may choose new targets for the copy.

Whenever a player finishes exiling cards from anywhere, each opponent loses 1 life.
{2}{B}: Level 2
At the beginning of your upkeep, exile the top card of target opponent's library face down. You may look at it for as long as it remains exiled.
{3}{B}: Level 3
You may cast spells exiled with this Class. Those spells cost {1} less to cast, and mana of any type can be spent to cast those spells.

Callaphe can't be blocked by creatures with mana value 4 or greater.
Whenever Callaphe the Mariner deals combat damage to a player, you get an experience counter. Then if you have three or more experience counters, bless target player.