Harrow

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Shivan Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.)
{R}: Shivan Dragon gets +1/+0 until end of turn.

Shivan Wurm

Trample
When Shivan Wurm enters, return a red or green creature you control to its owner's hand.

Flametongue Kavu

When Flametongue Kavu enters, it deals 4 damage to target creature.

Hull Breach

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target artifact and target enchantment.

Bedlam

Troll-Horn Cameo

Horned Kavu

When Horned Kavu enters, return a red or green creature you control to its owner's hand.

Erratic Portal

{1}, {T}: Return target creature to its owner's hand unless its controller pays {1}.