Illusions of Grandeur [Ice Age] Coldsnap Set: Guildpact Type: Creature —

Set: Guildpact Type: Creature — Centaur Shaman Rarity: Rare Cost: {1}{R}{G} Whenever a player activates an ability that isn't a mana ability

Set: Tenth Edition Type: Legendary Creature — Wizard Rarity: Rare Cost: {3}{U}{U}{U} {T}: Draw three cards

Colossus of Sardia doesn't untap during your untap step

Set: Battle for Zendikar Prerelease Promos Type: Legendary Creature — Merfolk Ally Rarity: Rare Cost: {3}{W}{U} Whenever you cast an instant or sorcery spell

Whereas Mishra works in metals and stone

Illusions of Grandeur [Ice Age] Coldsnap Set: Guildpact Type: Creature —Set: Ice Age Type: Enchantment Rarity: Rare Cost: {3}{U} Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Illusions of Grandeur enters the battlefield, you gain 20 life. When Illusions of Grandeur leaves the battlefield, you lose 20 life.