Omniscience [Amonkhet Invocations]Set: Amonkhet Invocations Type: Enchantment Rarity: Mythic Cost: {7}{U}{U}{U} You may cast spells from your hand without paying their mana costs.

then that player shuffles their hand into their library

Morph {3}{W} (You may cast this card face down as a 2/2 creature for {3}

It has the strength of seven men

whenever a creature you control attacks and isn't blocked

Set: Lorwyn Type: Tribal Enchantment — Goblin Rarity: Uncommon Cost: {2}{R} Whenever another Goblin you control is put into a graveyard from the battlefield

Set: Legends Type: Legendary Creature — Human Rogue Rarity: Rare Cost: {U}{B}{B}{R} {T}: Target player discards a card at random

Set: Urza's Legacy Type: Sorcery Rarity: Uncommon Cost: {2}{G} Destroy target creature with flying

The Izzet specialize in unnatural disaster

Set: Magic 2012 Type: Creature — Hydra Rarity: Mythic Cost: {X}{G}{G} Primordial Hydra enters the battlefield with X +1/+1 counters on it

When Worldspine Wurm is put into a graveyard from anywhere

Set: Innistrad Type: Enchantment Rarity: Rare Cost: {3}{G} If an effect would create one or more tokens under your control

A king in Jund