Boros Challenger [Guilds of Ravnica]

Boros Challenger [Guilds of Ravnica]Set: Guilds of Ravnica Type: Creature Human Soldier Rarity: Uncommon Cost: {R}{W} Mentor (Whenever this creature attacks, put a +1 +1 counter on target attacking creature with lesser power.) {2}{R}{W}: Boros Challenger gets +1 +1 until end of turn. "Send your champion. I could use a light workout."

Set: Guilds of Ravnica Prerelease Promos Type: Creature — Elf Druid Rarity: Rare Cost: {2}{G}{G} Whenever you cast a creature spell

Sarkhan's Whelp deals 1 damage to any target

Set: Urza's Destiny Type: Creature — Angel Rarity: Uncommon Cost: {3}{W} Flying

you may return target Spirit card with mana value 3 or less from your graveyard to your hand

Set: Scourge Type: Instant Rarity: Uncommon Cost: {W} Rain of Blades deals 1 damage to each attacking creature

but how could that be

Set: Avacyn Restored Type: Artifact — Equipment Rarity: Rare Cost: {4} Equipped creature has first strike

When Aphetto Vulture dies

Set: Duel Decks: Zendikar vs

Set: Commander 2011 Type: Sorcery Rarity: Uncommon Cost: {2}{R/G} Firespout deals 3 damage to each creature without flying if {R} was spent to cast this spell and 3 damage to each creature with flying if {G} was spent to cast this spell

If you don't sacrifice a Forest

Set: Commander 2018 Type: Creature — Hydra Rarity: Mythic Cost: {4}{G}{G} Whenever Hydra Omnivore deals combat damage to an opponent