Morphling [Urza's Saga]Set: Urza's Saga Type: Creature Shapeshifter Rarity: Rare Cost: {3}{U}{U} {U}: Untap Morphling. {U}: Morphling gains flying until end of turn. {U}: Morphling gains shroud until end of turn. (It can't be the target of spells or abilities.) {1}: Morphling gets +1 1 until end of turn. {1}: Morphling gets 1 +1 until end of turn.

put a +1/+1 counter on Dirtcowl Wurm

forbidding entry to all who come with the heavy tread of hate

Set: Dragons of Tarkir Prerelease Promos Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {4}{G}{W} This spell can't be countered

Time doesn't move at all

Sacrifice Crystal Vein: Add {C}{C}

Set: Alpha Edition Type: Artifact Creature — Beast Rarity: Rare Cost: {6} Clockwork Beast enters the battlefield with seven +1/+0 counters on it

untap Mana Vault

you can't be attacked except by creatures with flying and/or islandwalk

Note the type of mana spent to pay this activation cost

Set: Commander 2015 Type: Creature — Vedalken Wizard Rarity: Rare Cost: {1}{U}{U} {U}

Set: Eventide Type: Creature — Elemental Rarity: Rare Cost: {1}{B}{B} Wither (This deals damage to creatures in the form of -1/-1 counters

When Spellstutter Sprite enters the battlefield