Prophecy

Whenever one or more creatures attack you, if Reveille Squad is untapped, you may untap all creatures you control.

{T}, Sacrifice Mine Bearer: Destroy target attacking creature.

Mercenary Informer can't be the target of black spells or abilities from black sources. {2}{W}: Put target nontoken Mercenary on the bottom of its...

Trample Keldon Battlewagon can't block. When Keldon Battlewagon attacks, sacrifice it at end of combat. Tap an untapped creature you control: Ke...

Hollow Warrior can't attack or block unless you tap an untapped creature you control not declared as an attacking or blocking creature this combat....

Flying {T}, Sacrifice X lands: Put X +1/+1 counters on Copper-Leaf Angel.

Vintara Snapper has shroud as long as you control no untapped lands. (It can't be the target of spells or abilities.)

Trample {3}: Vintara Elephant loses trample until end of turn. Any player may activate this ability.

{2}{W}{W}, {T}, Discard two cards: Destroy all creatures except for Mageta the Lion. Those creatures can't be regenerated.

Whenever Thresher Beast becomes blocked, defending player sacrifices a land.

{1}{G}, Sacrifice a land: Create two 1/1 green Squirrel creature tokens. {1}{G}, Sacrifice a land: Squirrel creatures get +1/+1 until end of turn.

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

Reach (This creature can block creatures with flying.) Sacrifice a land: Spitting Spider deals 1 damage to each creature with flying.

When Silt Crawler enters the battlefield, tap all lands you control.

Reach (This creature can block creatures with flying.)

Trample

Flying Sacrifice two lands: Jeweled Spirit gains protection from artifacts or from the color of your choice until end of turn.

You can't untap more than one land during your untap step.

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

{2}{G}, {T}, Discard two cards: All lands target player controls become 3/3 creatures until end of turn. They're still lands.

At the beginning of your upkeep, sacrifice Darba unless you pay {G}{G}.

Prevent all damage that would be dealt to Glittering Lynx. {2}: Until end of turn, Glittering Lynx loses "Prevent all damage that would be dealt t...

If an opponent controls at least four more creatures than you, this spell costs {6} less to cast. Trample (This creature can deal excess combat da...

First strike {2}: Zerapa Minotaur loses first strike until end of turn. Any player may activate this ability.