Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays .Whenever Frost Titan enters or attacks, tap target permanent. It doesn't untap during its controller's next untap step.
Whenever a creature you control attacks, it phases out at end of combat. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)
: Add ., Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.
Whenever Goblin Assassin or another Goblin enters, each player flips a coin. Each player whose coin comes up tails sacrifices a creature of their choice.
Assist (Another player can pay up to of this spell's cost.)Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Game Plan.
TrampleCumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)