Life Matrix [Legends] Celebration Cards Activate this ability only once

Activate this ability only once

Return those cards to the battlefield at the beginning of the next end step

x2] [When Attacking] You may add 1 card from the top or bottom of your Life cards to your hand : Add up to 1 card from the top of your deck to the top of your Life cards

Set: Secret Lair Drop Series Type: Creature — Jellyfish Hydra Beast Rarity: Rare Cost: {X}{G}{U} When you cast this spell

Set: Mystery Booster 2 Playtest Cards Type: Enchantment Rarity: Rare Cost: {4}{G}{U} Double all your spells and abilities

Life Matrix [Legends] Celebration Cards Activate this ability only onceSet: Legends Type: Artifact Rarity: Rare Cost: {4} {4}, {T}: Put a matrix counter on target creature and that creature gains "Remove a matrix counter from this creature: Regenerate this creature." Activate only during your upkeep.