Howl from Beyond [Unlimited Edition] 247 also it is unaffected by

also it is unaffected by your opponent's card effects

Set: Commander 2014 Type: Artifact — Equipment Rarity: Rare Cost: {1} You may have Masterwork of Ingenuity enter the battlefield as a copy of any Equipment on the battlefield

Set: Alpha Edition Type: Sorcery Rarity: Rare Cost: {2}{R} Each player discards their hand

Set: Flames of Destruction Card type: Link/Effect Monster Rarity: Super Rare Attack: 1900 2 monsters with different names If this card is Link Summoned: You can discard 1 card

Set: Shards of Alara Type: Creature — Hydra Beast Rarity: Rare Cost: {X}{G} Feral Hydra enters the battlefield with X +1/+1 counters on it

Howl from Beyond [Unlimited Edition] 247 also it is unaffected bySet: Unlimited Edition Type: Instant Rarity: Common Cost: {X}{B} Target creature gets +X +0 until end of turn.