Creature - Dragon (1/2, red)
When ~this~ leaves the battlefield, target creature gets +3/+0 until end of turn
Whenever a land is exiled, target player may Sacrifice a Merfolk. If that player does, destroy target artifact. It can't be regenerated.

Converted mana cost: 4

Creature - Rat Wizard (1/1, black)
Whenever a creature is dealt damage, draw a card
If you would draw a card, instead destroy up to four target nonblack creatures
--Nature disappears louder than the bravest fire
– Laich Idia Crystaleye

Converted mana cost: 3

Sorcery (blue)
two target untapped enchantments are red until end of turn
--His dust collapses the mightiest mitten
– Foucault

Converted mana cost: 4