Summoning Trap [Modern Masters 2017]

Summoning Trap [Modern Masters 2017]Set: Modern Masters 2017 Type: Instant Trap Rarity: Rare Cost: {4}{G}{G} If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay {0} rather than pay this spell's mana cost. Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order.

For each of those permanents

Set: Morningtide Type: Creature — Giant Warrior Rarity: Uncommon Cost: {5}{R}{R} Cowards can't block Warriors

Set: Alpha Edition Type: Creature — Goblin Warrior Rarity: Uncommon Cost: {R} {R}: Goblin Balloon Brigade gains flying until end of turn

constructing unauthorized golems to threaten the hegemony of the sphinxes

Set: Betrayers of Kamigawa Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Return all artifacts and enchantments to their owners' hands

{T}: Put a +1/+1 counter on each green creature that entered the battlefield this turn

Kefnet reached into the minds of those around him

Create a token that's a copy of that card

When Keldon Champion enters the battlefield

Set: Tenth Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{R} Enchant creature (Target a creature as you cast this

transform Hanweir Watchkeep

it gains "When this creature enters the battlefield