Spooky20

{R}, Discard a card at random: Frenetic Ogre gets +3/+0 until end of turn.

Flame Burst deals X damage to any target, where X is 2 plus the number of cards named Flame Burst in all graveyards.

Firebolt deals 2 damage to any target. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player sacrifices a land. Threshold — Each player sacrifices all lands they control instead if seven or more cards are in your graveyard.

Engulfing Flames deals 1 damage to target creature. It can't be regenerated this turn. Flashback {3}{R} (You may cast this card from your graveyar...

{3}, {T}: Exile target card from a graveyard. {1}, Sacrifice Steamclaw: Exile target card from a graveyard.

{W}: Luminous Guardian gets +0/+1 until end of turn. {2}: Luminous Guardian can block an additional creature this turn.

Ember Beast can't attack or block alone.

White creatures get +1/+1. Threshold — White creatures get an additional +1/+1 as long as seven or more cards are in your graveyard.

{2}, {T}, Sacrifice Skycloud Egg: Add {W}{U}. Draw a card.

{2}, {T}, Sacrifice Shadowblood Egg: Add {B}{R}. Draw a card.

{T}, Sacrifice two lands and Sandstone Deadfall: Destroy target attacking creature.

Discard a card: Regenerate Patchwork Gnomes. (The next time this creature would be destroyed, instead tap it, remove it from combat, and heal all d...

Otarian Juggernaut can't be blocked by Walls. Threshold — As long as seven or more cards are in your graveyard, Otarian Juggernaut gets +3/+0 and ...

Destroy target land. Flashback {5}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever you cast an instant or sorcery spell, you may pay {3}. If you do, copy that spell. You may choose new targets for the copy.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Discard a card at random: Dwarven Strike Force gains first strike and haste until end of turn.

{2}, Sacrifice Limestone Golem: Target player draws a card.

Junk Golem enters the battlefield with three +1/+1 counters on it. At the beginning of your upkeep, sacrifice Junk Golem unless you remove a +1/+1 ...

Whenever a player casts a spell, Dwarven Shrine deals X damage to that player, where X is twice the number of cards in all graveyards with the same...

Target player gains 4 life, then gains 4 life for each card named Life Burst in each graveyard.

When Dwarven Recruiter enters the battlefield, search your library for any number of Dwarf cards, reveal them, then shuffle and put those cards on ...

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)