FlyingFlying is an evasion ability.
A creature with flying can’t be blocked except by creatures with flying and/or reach. A creature with flying can block a creature with or without flying. (See rule 509, “Declare Blockers Step,” and rule 702.17, “Reach.”)
Multiple instances of flying on the same creature are redundant. (CR 702.9),
DefenderDefender is a static ability.
A creature with defender can’t attack.
Multiple instances of defender on the same creature are redundant. (CR 702.3)
As long as Ichor Aberration's power is 7 or greater, it can attack as though it didn't have
defenderDefender is a static ability.
A creature with defender can’t attack.
Multiple instances of defender on the same creature are redundant. (CR 702.3).
Whenever you
proliferateTo proliferate means to choose any number of permanents and/or players that have a counter, then give each one additional counter of each kind that permanent or player already has.
In a Two-Headed Giant game, poison counters are shared by the team. If more than one player on a team is chosen this way, only one of those players can be given an additional poison counter. The player who proliferates chooses which player that is. See rule 810, “Two-Headed Giant Variant.” (CR 701.34), if Ichor Aberration is in your graveyard or on the battlefield, Ichor Aberration perpetually gets +1/+1. You may
castTo cast a spell is to take it from the zone it’s in (usually the hand), put it on the stack, and pay its costs, so that it will eventually resolve and have its effect. A player may cast a spell if they have priority. See rule 601, “Casting Spells.”
To cast a card is to cast it as a spell. (CR 701.5) it from your graveyard this turn.