Mercurial Geists | Creature | Spirit | Flying
Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn. | Lake Hurwitz
3.0 LSV
Mournwillow | Creature | Plant Skeleton | Haste
Delirium — When Mournwillow enters the battlefield, if there are four or more card types among cards in your graveyard, creatures with power 2 or less can't block this turn. | Jeff Simpson
2.5 LSV