Vent Sentinel [Rise of the Eldrazi] Extreme Force if you activate a Spell/Trap

if you activate a Spell/Trap Card or effect while this card is in your GY (except during the Damage Step): You can Tribute 1 Spellcaster monster

This card gains 300 ATK for each Dragon-Type monster in your Graveyard

Set: Dark Revelation Volume 2 Card type: Normal Spell Rarity: Super Rare You can only activate this card while there is a face-up "Blue-Eyes White Dragon" on your side of the field

Set: Turbo Pack: Booster Five Card type: Effect Monster Rarity: Super Rare Attack: 1800 Defense: 400 If this card was Special Summoned by the effect of a "Gladiator Beast" monster

Vent Sentinel [Rise of the Eldrazi] Extreme Force if you activate a Spell/TrapSet: Rise of the Eldrazi Type: Creature Elemental Rarity: Common Cost: {3}{R} Defender {1}{R}, {T}: Vent Sentinel deals damage to target player or planeswalker equal to the number of creatures with defender you control. "Zendikar fortifies itself against the Great Threat, making sentries of sky, sea, and stone." *The War Diaries*