Damping Matrix [Modern Masters 2017]Set: Modern Masters 2017 Type: Artifact Rarity: Rare Cost: {3} Activated abilities of artifacts and creatures can't be activated unless they're mana abilities. The priests tried cursing it. The mages tried dispelling it. In the end, they all obeyed it.

{U}{U}{U}: Tap all creatures without flying

Set: Alpha Edition Type: Instant Rarity: Common Cost: {G} Target creature gets +3/+3 until end of turn

Set: Eventide Type: Creature — Elemental Spirit Rarity: Rare Cost: {3}{W/B}{W/B} Flying

Set: Core Set 2019 Type: Creature — Spirit Cleric Rarity: Rare Cost: {1}{W} Flying

Set: Magic 2014 Type: Creature — Shapeshifter Rarity: Rare Cost: {3}{U} You may have Clone enter the battlefield as a copy of any creature on the battlefield

Set: Commander Anthology Volume II Type: Land Rarity: Uncommon Opulent Palace enters the battlefield tapped

and planeswalker cards revealed this way onto the battlefield

Set: Modern Masters Type: Instant Rarity: Uncommon Cost: {U} Counter target spell with mana value 2

Set: Archenemy: Nicol Bolas Type: Legendary Planeswalker — Nissa Rarity: Mythic Cost: {3}{G}{G} +1: Target land you control becomes a 4/4 Elemental creature with trample

Set: Fate Reforged Type: Instant Rarity: Rare Cost: {X}{W}{W} Return each creature card with mana value X or less from your graveyard to the battlefield

the Sky Ruin enters the battlefield tapped

if you haven't cast it