Flying Shacklegeist can block only creatures with flying. Tap two untapped Spirits you control: Tap target creature you don't control.
Sacrifice Selfless Savior: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Look at the top three cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order. If this spell was cast from anywhere other than your hand, put each of those cards into your hand instead.
Exile target nonland permanent. Its controller creates a 1/1 white Soldier creature token.
Scorching Dragonfire deals 3 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.
{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.
This spell costs {3} less to cast if you've gained 3 or more life this turn. Return up to two target creature cards from your graveyard to your hand.
At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on Sabertooth Mauler and untap it.
As Runed Halo enters the battlefield, choose a card name. You have protection from the chosen name. (You can't be targeted, dealt damage, or enchanted by anything with that name.)
Target opponent sacrifices a creature with flying.
Rugged Highlands enters the battlefield tapped. When Rugged Highlands enters the battlefield, you gain 1 life. {T}: Add {R} or {G}.
Enchant creature When Rousing Read enters the battlefield, draw two cards, then discard a card. Enchanted creature gets +1/+1 and has flying.
Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.
Flying When Roaming Ghostlight enters the battlefield, return up to one target non-Spirit creature to its owner's hand.
Whenever you cast a noncreature spell, you may have Riddleform become a 3/3 Sphinx creature with flying in addition to its other types until end of turn. {2}{U}: Scry 1.
You gain 3 life. Draw a card.
Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.
Target creature you control gets +1/+1 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
When Rambunctious Mutt enters the battlefield, destroy target artifact or enchantment an opponent controls.
Draw three cards, then discard a card.