Onslaught

Thunder of Hooves deals X damage to each creature without flying and each player, where X is the number of Beasts on the battlefield.

{3}{U}, Sacrifice a permanent: Return target permanent to its owner's hand.

{G}, {T}, Sacrifice Elvish Scrapper: Destroy target artifact.

Flying Whenever a player cycles a card, return Fleeting Aven to its owner's hand.

Whenever Thrashing Mudspawn is dealt damage, you lose that much life. Morph {1}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. ...

{T}: Add {C}. {W}, {T}: Target Soldier creature gets +1/+1 until end of turn.

When Prowling Pangolin enters the battlefield, any player may sacrifice two creatures. If a player does, sacrifice Prowling Pangolin.

You may choose not to untap Flamestick Courier during your untap step. {2}{R}, {T}: Target Goblin creature gets +2/+2 and has haste for as long as ...

Counter target spell. Look at the top four cards of your library, then put them back in any order.

Untap target creature. It gets +2/+4 until end of turn.

When Symbiotic Beast dies, create four 1/1 green Insect creature tokens.

You may choose not to untap Frightshroud Courier during your untap step. {2}{B}, {T}: Target Zombie creature gets +2/+2 and has fear for as long as...

Morph {6}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

You may choose not to untap Everglove Courier during your untap step. {2}{G}, {T}: Target Elf creature gets +2/+2 and has trample for as long as Ev...

Target player shuffles their graveyard into their library.

{1}{G}, {T}: Venomspout Brackus deals 5 damage to target attacking or blocking creature with flying. Morph {3}{G}{G} (You may cast this card face d...

{3}{W}: Tap target creature. {3}{W}: Crowd Favorites gets +0/+5 until end of turn.

Destroy target noncreature permanent. Then that permanent's controller may copy this spell and may choose a new target for that copy.

Whenever Snapping Thragg deals combat damage to a player, you may have it deal 3 damage to target creature that player controls. Morph {4}{R}{R} (Y...

Until end of turn, target creature you control gains "When this creature deals combat damage to a player, you may have it deal damage equal to its ...

Whenever Headhunter deals combat damage to a player, that player discards a card. Morph {B} (You may cast this card face down as a 2/2 creature for...

All creatures get -2/-2 until end of turn.

Whenever Dawning Purist deals combat damage to a player, you may destroy target enchantment that player controls. Morph {1}{W} (You may cast this c...

You may choose not to untap Ghosthelm Courier during your untap step. {2}{U}, {T}: Target Wizard creature gets +2/+2 and has shroud for as long as ...