Walrein ex (99/108) [EX: Power Keepers]Set: EX: Power Keepers Type: Water Rarity: Ultra Rare Retreat cost: Colorless,Colorless,Colorless

This ability triggers only once each turn

it gets +4/-4 until end of turn

Set: Best of Promos Type: Darkness Rarity: Promo Retreat cost: Colorless

Discard a card with mana value X: Counter target spell with mana value X

{T}: Target player draws a card

"Top-performing automaton combatants are to be seized and modified for service

Set: Fourth Edition Type: Enchantment Rarity: Rare Cost: {1}{U} Players skip their untap steps

Set: Morningtide Type: Creature — Elf Druid Rarity: Rare Cost: {3}{G}{G} Whenever you cast a Druid spell

Set: EX: Sandstorm Type: Darkness Rarity: Rare Retreat cost: Colorless

Set: Explorers of Ixalan Type: Instant Rarity: Rare Cost: {5}{W} Double target player's life total

Flashback {G} (You may cast this card from your graveyard for its flashback cost

Set: Mirage Type: Instant Rarity: Uncommon Cost: {G} Search your library for a creature card