{1}{B}, Pay 2 life: Mob Hangman dares 4.
Whenever Mob Hangman attacks, if it's a Rebel, each opponent sacrifices a creature or planeswalker unless they discard a card.

Whenever a creature you control becomes a Rebel, creatures you control get +1/+0 until end of turn.
{2}{R}: Mob Instigator dares 4.

When this creature enters, you may pay X life. When you do, return X target cards you discarded this turn from your graveyard to your hand.
Whenever you discard a card, each opponent loses 1 life.

When Moonlit Meditation enters, draw three cards, then put two cards from your hand on top of your library.
{1}{U}, Sacrifice Moonlit Meditation: Shuffle up to three target cards from your graveyard into your library.

Ward {1}
Whenever Morbid Bloomer deals combat damage, you may pay {1}. When you do, return up to one other target permanent card from your graveyard to your hand.

Vehicles you control can't be blocked by Humans.
Crew 3
During your main phase, you may sacrifice a creature or exile a creature card from your graveyard rather than pay Morkfar's crew cost.

Put two +1/+1 or loyalty counters on target creature or planeswalker. It gains lifelink until end of turn.

Lifelink
{B}, Pay 2 life: Mortea, Bloodline Keeper gets +1/+1 until end of turn.
At the beginning of your end step, if you have at least 7 life more than your starting life total, you may return Mortea from your graveyard to the battlefield tapped.

Target creature gets -3/-3 until end of turn.
Surface {5}{B}

As an additional cost to cast this spell, discard a card.
Draw two cards.

Whenever one or more cards leave your graveyard, you gain 2 life. This ability triggers only once each turn.

Glory

Level up {W/B}
[level 2-6] During each of your turns, you may play a land card from your graveyard.
[level 7+] During each of your turns, you may play a land and cast a permanent spell from your graveyard.

As an additional cost to cast this spell, discard a card.
Draw two cards, then create a Glyph token.

{T}, Mill a card: Add {G}.

Exalted
{2}{W}: Target attacking creature gains double strike until end of turn.
{2}{B}: Target attacking creature gains indestructible until end of turn.

Master of Caldera Elemental
{T}: Add {R}{R}. Spend this mana only to cast Elemental spells or activate abilities of Elementals.

{3}{B}{R}: Another target creature gets +2/+0 until end of turn. When that creature dies this turn, return it to the battlefield under its owner's control.

Flash
When Narzi, Hero of the Mokar enters, up to one other target creature gets +1/+1 and gains indestructible until end of turn. If she wandered, other creatures you control get +1/+1 and gain indestructible until end of turn instead.
Wander {4}{W}{W}

When Nascent Reaper enters, you may discard a card. If you do, draw a card.

When Ne'er-do-wells enters, create a 1/1 red Rogue creature token with menace.

Target opponent reveals their hand. You choose a nonland card from it with mana value 4 or less. If you do, exile that card. Otherwise, draw a card.

Counter target noncreature spell.

Flying
Neotech Exploiter gets +2/+0 for each permanent you control but don't own.

Flying
Whenever you gain control of a permanent you don't own or a permanent you don't own enters under your control, create a token that's a copy of it. Sacrifice the token at beginning of your next turn's end step.