Prophecy

Whenever this creature deals combat damage to a creature, that creature's controller loses 2 life unless they pay {2}.

Sacrifice a land: This creature gains flying until end of turn.

Destroy all enchantments you don't control. Then if you control an untapped land, destroy all enchantments you control.

This creature can't attack if defending player controls an untapped land. This creature can't block if you control an untapped land.

Flying {T}, Sacrifice a land: Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

Sacrifice a land: Destroy target enchantment.

Flash Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.)

{1}{B}, Sacrifice a land: Target creature gets +2/+0 until end of turn.

Rhystic Lightning deals 4 damage to any target unless that permanent's controller or that player pays {2}. If they do, Rhystic Lightning deals 2 da...

Up to three target creatures can't block this turn.

Flash Enchant creature Whenever enchanted creature deals combat damage to defending player, you may destroy target artifact that player controls.

Whenever Keldon Berserker attacks, if you control no untapped lands, it gets +3/+0 until end of turn.

Inflame deals 2 damage to each creature dealt damage this turn.

Sacrifice a land: Fault Riders gets +2/+0 and gains first strike until end of turn. Activate only once each turn.

Destroy target land. Devastate deals 1 damage to each creature and each player.

Branded Brawlers can't attack if defending player controls an untapped land. Branded Brawlers can't block if you control an untapped land.

At the beginning of your upkeep, sacrifice Whipstitched Zombie unless you pay {B}.

Exile target attacking creature unless its controller pays {X}.

Target creature gets +1/+1 until end of turn. Another target creature gets -1/-1 until end of turn.

Return two target creature cards from your graveyard to your hand unless any player pays {X}.

Whenever Plague Fiend deals combat damage to a creature, destroy that creature unless its controller pays {2}.

Flash Enchant creature Enchanted creature gets -3/-0.

Target player discards a card at random. Then that player discards another card at random unless they pay {1}.

Fen Stalker has fear as long as you control no untapped lands. (It can't be blocked except by artifact creatures and/or black creatures.)