Epic Experiment [Return to Ravnica] Force of the Breaker You can only use this

You can only use this effect of "Speedroid Ultra Hound" once per turn

Set: Battle Pack 2: War of the Giants Card type: Effect Monster Rarity: Common Attack: 2100 Defense: 500 This card cannot attack your opponent directly

counter on "0

Special Summon them and increase their Levels by 1

Set: Dark Revelation Volume 2 Card type: Effect Monster Rarity: Rare Attack: 1500 Defense: 700 While 'Umi' is on the field

Epic Experiment [Return to Ravnica] Force of the Breaker You can only use thisSet: Return to Ravnica Type: Sorcery Rarity: Mythic Cost: {X}{U}{R} Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard.