Conclave Phalanx [Modern Masters 2015] SPA Cuesta abajo por Sokenzan you may reveal a Giant

you may reveal a Giant card from your hand

then an opponent guesses the number of counters

Set: Magic 2011 Type: Creature — Elemental Hound Common Cost: {1}{R}{R} {R}: Fiery Hellhound gets +1/+0 until end of turn

or Swamp card and put it onto the battlefield tapped

Set: Limited Edition Beta Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

Conclave Phalanx [Modern Masters 2015] SPA Cuesta abajo por Sokenzan you may reveal a GiantSet: Modern Masters 2015 Type: Creature Human Soldier Rarity: Common Cost: {4}{W} Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) When Conclave Phalanx enters the battlefield, you gain 1 life for each creature you control.